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Workbook Activity

Chapter 8


Chapter 8 Vocabulary Review Directions Unscramble the word or words in parentheses to complete each sentence. Write the answer on the line. 1. One __________________________________ is approximately

the mass of a proton. (cimtao asms nuti) 2. Electrons move from the _________________. (chtadoe) 3. A(n) _____________________ is a metal piece that conducts

electricity. (cledeoter) 4. A(n) _______________________________ is a glass tube with an

electrode at each end. (tcdeaho-yra btue) 5. The nucleus of helium is called a(n) __________________________.

(aahpl citeparl) 6. A(n) _____________________ has the same number of protons

but a different number of neutrons. (peostoi) 7. The positively charged electrode is called a(n)___________________.

(nadoe) 8. The _____________________ is the number of particles in the

nucleus. (ssam bmunre) 9. The percentage of abundance and mass of each isotope of an element

is called _____________________________________. (vegarae maoitc asms) Directions Match the items in column A with those in column B. Write the letter of each correct answer on the line. Column A

Column B

_________ 10. The electrode that electrons move toward.

A anode

_________ 11. The electrode that electrons move away

B atomic mass unit

from. _________ 12. A unit of mass. _________ 13. The total number of particles in the nucleus

of an atom. _________ 14. An atom with a different number of

C cathode D electrode E isotope F mass number

neutrons. _________ 15. Conducts electricity. Š Pearson AGS Globe. Permission is granted to reproduce for classroom use only.

08_662_Chem_TRL_WA.indd 5


4/3/06 12:29:01 PM

Chapter 8 Workbook 5