Which of the Following Is the Best Definition of Atomic

question 43

Multiple Choice

Which of the following is the best definition of atomic mass?

• A)The average mass of the atoms of an element compared to the mass of an atom of carbon-12 at exactly 12 atomic mass units
• B)A property reflecting the quantity of matter in a sample
• C)The mass of an atom measured in the SI unit of mass, the kilogram
• D)The number of grams in a mole of a substance
• E)The mass of the number of carbon atoms in exactly 12 grams of carbon-12

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