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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
_________ 10. The electrode that electrons move toward.
_________ 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. ÂŠ Pearson AGS Globe. Permission is granted to reproduce for classroom use only.
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