Test Bank for Chemistry An Introduction to General
Organic and Biological Chemistry
ISBN 0134421353
13th Edition Timberlake
9780134421353
Full download link at: https://testbankpack.com/p/test-bank-for-chemistry-an-introduction-to-general-organic-andbiological-chemistry-13th-edition-timberlake-isbn-0134421353-9780134421353/ An Introduction to General, Organic, and Biological Chemistry, 13e (Timberlake)
Chapter 6 Ionic and Molecular Compounds
6.1 Multiple-Choice Questions
1) In ionic compounds, ________ lose their valence electrons to form positively charged ________.
A) metals, anions
B) nonmetals, cations
C) metals, polyatomic ions
D) nonmetals, anions
E) metals, cations
Answer: E
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
2) How many electrons will aluminum gain or lose when it forms an ion?
A) lose 1
B) gain 5
C) lose 2
D) lose 3
E) gain 1
Answer: D
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
3) What is the symbol for the ion with 19 protons and 18 electrons?
A) F+
B) F-
C) Ar+
D) K-
E) K+
Answer: E
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
4) To form an ion, a sodium atom ________.
A) gains one electron
B) gains two electrons
C) loses seven electrons
D) loses one electron
E) loses two electrons
Answer: D
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
5) An anion always ________.
A) has a positive charge
B) contains a group of two or more atoms with a positive charge
C) contains a metal and a nonmetal
D) forms covalent bonds
E) has a negative charge
Answer: E
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
6) What is the ionic charge of an ion with 13 protons and 10 electrons?
A) 1+
B) 2+
C) 3+
D) 2-
E) 3-
Answer: C
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
7) The number of electrons in an ion with 16 protons and an ionic charge of 2- is ________.
A) 16
B) 18
C) 20
D) 22
E) 24
Answer: B
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
8) Elements in group 2A (2) of the periodic table form ions with a charge of ________.
A) 1+ B) 1-
C) 2+
D) 3+
E) 0
Answer: C
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
9) The ion of aluminum is ________.
A) B) C) D)
E)
Answer: C
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
10) How many electrons will chlorine gain or lose when it forms an ion?
A) lose 1
B) gain 1
C) lose 7
D) gain 2
E) lose 3
Answer: B
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
11) When a cation is formed from a representative element ________.
A) electrons are gained and the ion is larger
B) electrons are gained and the ion is smaller
C) electrons are lost and the ion is larger
D) electrons are lost and the ion is smaller
E) the cation acquires a negative charge
Answer: D
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
12) What is the ionic charge of an ion with 38 protons and 36 electrons?
A) 1+
B) 2+
C) 3+
D) 2-
E) 3-
Answer: B
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
13) What is the correct formula for the oxide ion?
A)
B) O
C)
D)
E)
Answer: A
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
14) An ionic compound ________.
A) has a net positive charge
B) has a net negative charge
C) contains only cations
D) contains only anions
E) has a net charge of zero
Answer: E
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
15) The correct formula for a compound formed from the elements Al and O is ________.
A) AlO
B) O
C)
D) Al
E)
Answer: E
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
16) The correct formula for the compound formed from Mg and S is ________.
A) MgS
B)
C) S
D)
E)
Answer: A
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
17) Which one of the following compounds contains an ion with a 3+ charge?
A) KCl
B) O
C)
D) CuCl
E)
Answer: C
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
18) The compound is named ________.
A) magnesium chlorine
B) magnesium dichloride
C) magnesium(II) chloride
D) magnesium chloride
E) dimagnesium chloride
Answer: D
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
19) Which one of the following elements forms two or more ions with different ionic charges?
A) K
B) F
C) Ca
D) O
E) Fe Answer: E
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
20) What is the correct formula for the iron(II) ion?
A)
B)
C)
D)
E) Answer: B
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
21) The name of the ion is ________.
A) copper(II)
B) copper(I)
C) copper(III)
D) copper
E) cuprum
Answer: B
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
22) What is the correct formula for iron(III) sulfide?
A)
B) S
C) FeS
D)
E)
Answer: E
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
23) The compound is named ________.
A) copper(III) chloride
B) copper trichloride
C) cobalt(III) chloride
D) cobalt trichloride
E) tricobalt chloride
Answer: C
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
24) The name of is ________.
A) aluminum(III) sulfate
B) dialuminum trisulfate
C) dialuminum sulfate
D) dialuminum trisulfide
E) aluminum sulfate
Answer: E
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
25) A group of covalently bonded atoms that has an overall electrical charge is called a(n) ________.
A) ionic compound
B) anion
C) polyatomic ion
D) cation
E) molecule
Answer: C
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
26) Which of the following polyatomic ions has a positive charge?
A) hydroxide
B) cyanide
C) hydrogen carbonate
D) ammonium
E) nitrate
Answer: D
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
27) Which of the following polyatomic ions has a 3- ionic charge?
A) hydroxide
B) nitrate
C) sulfate
D) phosphate
E) hydrogen carbonate
Answer: D
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
28) What is the formula of the nitride ion?
Answer: A
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
29) The name of the ion is ________.
A) sulfate
B) hydrogen sulfate
C) sulfite
D) hydrogen sulfite
E) sulfide
Answer: B
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
30) What is the formula of a compound that contains and ions?
E) P
Answer: A
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
31) is called ________.
A) iron sulfate
B) iron(II) sulfate
C) iron(III) sulfate
D) diiron trisulfate
E) iron trisulfate
Answer: C
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
32) What is the formula for aluminum nitrate?
A)
B)
C) Al
D) Al
E)
Answer: D
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
33) A(n) ________ is the smallest neutral unit of two or more atoms held together by a covalent bond.
A) ionic compound
B) nucleus
C) molecule
D) formula
E) unit
Answer: C
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
34) In a molecule with covalent bonding, ________.
A) oppositely charged ions are held together by strong electrical attractions
B) atoms of metals form bonds to atoms of nonmetals
C) atoms of different metals form bonds
D) atoms are held together by sharing electrons
E) atoms of noble gases are held together by attractions between oppositely charged ions
Answer: D
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
35) In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons ________.
A) in the atom
B) in its nucleus
C) in all the atoms
D) in its ion
E) needed to give it a noble gas arrangement
Answer: E
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
36) The correct name of the compound is ________.
A) nitrogen chloride
B) trinitrogen chloride
C) nitrogen(III) chloride
D) nickel chloride
E) nitrogen trichloride
Answer: E
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
37) According to naming rules, the types of compound that use prefixes in their names are ________.
A) ionic compounds
B) ionic compounds involving transition metals
C) polyatomic ions
D) molecular compounds
E) compounds that contain polyatomic ions
Answer: D
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
38) The correct name for the compound is ________.
A) nitrogen oxide
B) nitrogen trioxide
C) dinitride trioxide
D) dinitrogen oxide
E) dinitrogen trioxide
Answer: E
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
39) What is the formula of carbon tetraiodide?
A) CI
B)
C) I
D)
E)
Answer: B
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
40) Which of the following elements does not exist as a diatomic molecule?
A) hydrogen
B) nitrogen
C) chlorine
D) oxygen
E) carbon
Answer: E
Page Ref: 66
Learning Obj.: 6.6
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
41) Double and triple bonds form because ________.
A) the atoms involved have high electronegativities
B) single covalent bonds do not give all of the atoms in the molecule eight valence electrons
C) one of the atoms in the molecule has more than 8 valence electrons
D) the ions involved have charges larger than one
E) there is at least one hydrogen atom involved in the bond
Answer: B
Page Ref: 6.6
Learning Obj.: 6.6
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
42) The molecule SO3 has ________ valence electrons.
A) 4 B) 6
C) 12
D) 16
E) 24
Answer: E
Page Ref: 6.6
Learning Obj.: 6.6
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
43) The molecule CO2 has ________ valence electrons.
A) 4 B) 6
C) 12
D) 16
E) 24
Answer: D
Page Ref: 6.6
Learning Obj.: 6.6
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
44) The ability of an atom to attract the shared electrons in a covalent bond is its ________.
A) electronegativity
B) bonding ability
C) polarity
D) ionic character
E) nonpolarity
Answer: A
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
45) Which of the following substances contains a nonpolar covalent bond?
A) O
B) NaCl
C)
D)
E) Answer: E
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
46) Which of the following compounds contains a polar covalent bond?
A) NaF
B) HCl
C)
D) MgO
E) Answer: B
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
47) Which of the following compounds contains an ionic bond?
A)
B) O
C) CaO
D)
E)
Answer: C
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
48) Ionic bonding is expected in which of these compounds?
A)
B) KF
C)
D) HF
E)
Answer: B
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
49) A polar covalent bond is found in which of these compounds?
A) O
B)
C) NaCl
D)
E)
Answer: A
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
50) The bond in is a(n) ________.
A) ionic bond
B) nonpolar covalent bond
C) metallic bond
D) polar ionic bond
E) no bond
Answer: B
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
51) The VSEPR theory allows us to determine the ________.
A) shape of a molecule
B) charge on an ion
C) color of a compound
D) bond type for a molecule
E) formula for a compound
Answer: A
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
52) The shape of the ammonia molecule (NH3) is ________.
A) linear
B) trigonal planar
C) trigonal pyramidal
D) tetrahedral
E) bent (109°)
Answer: C
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
53) The shape of the water molecule (H2O) is ________.
A) linear
B) tetrahedral
C) trigonal pyramidal
D) bent (109°)
E) trigonal planar
Answer: D
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
54) The shape of the methane molecule (CH4) is ________.
A) linear
B) tetrahedral
C) trigonal pyramidal
D) bent (109°)
E) trigonal planar
Answer: B
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
55) The carbon tetrachloride molecule, CC , has the shape of a ________.
A) tetrahedron
B) square
C) cube
D) circle
E) sphere
Answer: A
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
56) The shape of a molecule with a central atom that has two bonded atoms and one lone pair is ________.
A) linear
B) bent (120°)
C) trigonal pyramidal
D) bent (109°)
E) trigonal planar
Answer: B
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
57) The carbon tetrachloride molecule, CC , is ________.
A) a polar molecule with polar bonds
B) a nonpolar molecule with polar bonds
C) a nonpolar molecule with nonpolar bonds
D) a polar molecule with nonpolar bonds
E) a polar molecule with ionic bonds
Answer: B
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
58) The ammonia molecule (NH3) is ________.
A) a polar molecule with polar bonds
B) a nonpolar molecule with polar bonds
C) a nonpolar molecule with nonpolar bonds
D) a polar molecule with nonpolar bonds
E) a polar molecule with ionic bonds
Answer: A
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
59) The main type of intermolecular forces between particles of ammonia (NH3) are ________.
A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces
Answer: B
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
60) The main type of intermolecular forces between particles of carbon tetrafluoride (CF4) are ________.
A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces
Answer: D
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
61) The main type of intermolecular forces between particles of hydrogen (H2) are ________.
A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces
Answer: E
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
62) The main type of intermolecular forces between particles of NaCl are ________.
A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces
Answer: A
Page Ref: 6.9
Learning Obj.: 6.9
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
Copyright © 2018 Pearson Education, Inc.
6.2 Short Answer Questions
Identify each of the following compounds as covalent or ionic.
1) carbon tetrachloride
Answer: covalent
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
2) potassium oxide
Answer: ionic
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
3) carbon dioxide
Answer: covalent
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
4) dihydrogen sulfide
Answer: covalent
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
5) sodium fluoride
Answer: ionic
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
6) nitrogen trichloride
Answer: covalent
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
6.3 True/False Questions
1) A sulfur atom gains electrons to form an ion with a charge of 2-.
Answer: TRUE
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
2) A potassium atom gains electrons to form an ion with a charge of 1-.
Answer: FALSE
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
3) A positive ion has more protons that electrons.
Answer: TRUE
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
4) For halogens, the group number is the same as the ionic charge.
Answer: FALSE
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
5) When calcium and oxygen combine, the formula of the product is CaO.
Answer: TRUE
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
6) When barium and chlorine combine, the formula of the product is BaCl3.
Answer: FALSE
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
7) When Al3+ and Br- combine, the formula of the product is Al3Br.
Answer: FALSE
Page Ref: 6.2
Learning Obj.: 6.2
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
8) The name of the compound AlCl3 is aluminum trichloride.
Answer: FALSE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
9) The common ions of iron are Fe+ and Fe2+
Answer: FALSE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
10) The name of the compound CuO is copper(II) oxide.
Answer: TRUE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
11) The name of the compound Fe2S3 is iron(II) sulfide.
Answer: FALSE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
12) The name of the compound K3N is potassium nitride.
Answer: TRUE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
13) The formula for iron(II) sulfide is FeS.
Answer: TRUE
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
14) The formula for hydroxide is OH-.
Answer: TRUE
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
15) When Al3+ and SO42- combine, the formula of the product is Al2(SO4)3.
Answer: TRUE
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
16) The name of the compound CuSO4 is copper(I) sulfate.
Answer: FALSE
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
17) The formula of the compound chromium(III) oxide is Cr2O3.
Answer: TRUE
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
18) Molecular compounds are formed from ions.
Answer: FALSE
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
19) The formula of the compound boron trifluoride is BF3
Answer: TRUE
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
20) The name of the compound CO2 is dicarbon oxide.
Answer: FALSE
Page Ref: 6.5
Learning Obj.: 6.5
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
21) The molecule PCl3 has 26 valence electrons.
Answer: TRUE
Page Ref: 6.6
Learning Obj.: 6.6
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
22) H2O has a double bond.
Answer: FALSE
Page Ref: 6.6
Learning Obj.: 6.6
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
23) Br2 contains a polar covalent bond.
Answer: FALSE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
24) Chlorine is more electronegative than bromine.
Answer: TRUE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
25) Sodium is more electronegative than chlorine.
Answer: FALSE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
26) The bond between H and O is polar covalent.
Answer: TRUE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
27) The bond between Li and F is polar covalent.
Answer: FALSE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
28) The molecule CO2 is linear.
Answer: TRUE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
29) The molecule SCl2 is linear.
Answer: FALSE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
30) The molecule NBr3 is tetrahedral.
Answer: FALSE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
31) Methane, (CH4), is a polar molecule.
Answer: FALSE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
32) Ammonia, (NH3), is a polar molecule.
Answer: TRUE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
33) A nonpolar molecule can have polar bonds.
Answer: TRUE
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
34) The strongest intermolecular forces between particles of H2O are dispersion forces.
Answer: FALSE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
35) The strongest intermolecular forces between particles of Cl2 are dispersion forces.
Answer: TRUE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
36) The strongest intermolecular forces between particles of NH3 are hydrogen bonds.
Answer: TRUE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
37) The strongest intermolecular forces between particles of HCl are hydrogen bonds. Answer: FALSE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
38) The strongest intermolecular forces between particles of HBr are dipole-dipole attractions. Answer: TRUE
Page Ref: 6.8
Learning Obj.: 6.8
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
6.4 Matching Questions
Give the correct charge for ions of the following elements.
A) 3+
B) 1+
C) 0
D) 2+
E) 2-
F) 1-
1) Ca
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
2) Cl Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
3) O
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
4) Al Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
5) K
Page Ref: 6.1
Learning Obj.: 6.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
Answers: 1) D 2) F 3) E 4) A 5) B
Match the correct name of the polyatomic ions with the formulas given.
A) nitrite
B) hydrogen carbonate
C) sulfite
D) carbonite
E) hydrogen sulfite
F) sulfate
G) hydroxide
H) carbonate
I) nitrate
J) hydrogen sulfate
K) phosphate
L) oxide
M) phosphite
6) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
7) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
8) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
9) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
10) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
11) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
12) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
13) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
14) Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. Answers:
Match the chemical name with the correct formula.
MgS
15) magnesium sulfate
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
16) magnesium hydrogen sulfate
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
17) magnesium sulfide
Page Ref: 6.3
Learning Obj.: 6.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
18) magnesium sulfite
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
19) magnesium hydrogen sulfite
Page Ref: 6.4
Learning Obj.: 6.4
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
Answers: 15) E 16) B 17) D 18) C 19) A
Indicate the type of bonding you would expect between the following elements.
A) polar covalent
B) none
C) nonpolar covalent
D) ionic
20) Na and F
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
21) N and F
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
22) F and F
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
23) He and F
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
24) S and F
Page Ref: 6.7
Learning Obj.: 6.7
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.
Answers: 20) D 21) A 22) C 23) B 24) A