Which of These Statements Concerning the Atomic Mass Is Correct

question 35

Multiple Choice

Which of these statements concerning the atomic mass is correct?

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

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