Which of These Statements Concerning Atomic Mass Is Correct

question 17

Multiple Choice

Which of these statements concerning atomic mass is correct?

• A)Atomic mass is the same as the mass number of the most common isotope.
• B)Atomic mass is derived from the weight of the most common isotope of the element.
• C)Atomic mass is determined by adding the masses of the protons, electrons, and neutrons in the atom.
• D)Atomic mass is calculated from the atomic mass of the two most common isotopes.
• E)Atomic mass is a weighted average of the masses of the naturally occurring isotopes.

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