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General Chemistry
2. Atoms & Elements
The Atom
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Multiple Choice
What is the charge of a lithium ion, given that lithium's atomic number is 3?
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How many protons are in a sodium atom?
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How many electrons are in the nucleus of an atom with an atomic number of 20?
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Which number is equal to the number of protons in an atom?
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Which subatomic particle determines the identity of an element?
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What does the atomic number of an element indicate?
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Which of the following statements regarding atoms is true?
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How many protons does a magnesium atom have?
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