Exam 2: The Structure of Matter

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The maximum number of electrons that can exist in an electron shell is calculated with the formula _____.

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An atom that loses or gains one or more electrons is a(n)_____.

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The atomic number of molybdenum is 42 and the atomic mass number is 98. How many neutrons does it have?

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The binding energies,or energy levels,of electrons are represented by their _____.

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Two identical atoms which exist at different energy states are called _____.

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