Chapter 2 The Structure of Matter

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Author:
Mariyah
ID:
305511
Filename:
Chapter 2 The Structure of Matter
Updated:
2015-07-22 02:49:02
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RAD
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REGISTRY
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  1. The total number of electrons in the orbital shells is exactly equal to the number of protons in the nucleus.

    TRUE OR FALSE
    TRUE
  2. The total number of electrons in the orbital shells is exactly equal to the number of neutrons in the nucleus.
    FALSE
  3. _______ is the removal or addition of an orbital electron from an atom.
    Ionization
  4. No outer shell can contain more than _____ electrons.
    eight
  5. The force that keeps an electron in orbit is the ______ ______
    centripetal force
  6. The strength of attachment of an electron to the nucleus is called the ________
    electron binding energy
  7. The number of ____ is called the atomic number
    protons
  8. The number of ____ plus the number of ____ in the nucleus of an atom is called the atomic mass number
    • protonsĀ 
    • neutrons
  9. Atoms that have the same atomic number but different atomic mass numbers are ____
    isotopes.
  10. Atomic nuclei that have the same atomic mass number but different atomic numbers are ____.
    isobars
  11. _____ have the same atomic number and the same atomic mass number.
    Isomers

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