Can the Atomic Mass of an Element Vary

question 7

Multiple Choice

Can the atomic mass of an element vary?

• A) No, it is fixed; otherwise a new element will be formed.
• B) Yes. Adding or losing electrons will substantially change the atomic mass.
• C) Yes. Adding or losing protons will change the atomic mass without forming a different element.
• D) Yes. Adding or losing neutrons will change the atomic mass without forming a different element.

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