The relative atomic mass of an element is?

A. the mass of only the neutrons in the atom's nucleus.
B. the mass of its atoms compared to the mass of a carbon-12 atom.
C. the mass of its isotopes compared to the mass of a normal atom.
D. the mass of its atoms averaged over time.

1 Answer
anor277
Jul 9, 2018

Well I would go for #B#....

Explanation:

The relative atomic mass is the WEIGHTED AVERAGE of the isotopes compared to the mass of a #""^12C# isotope... And given this definition, #B# is the probable answer...

How many neutrons, and how many protons, and how many electrons are present in a single #""^12C# ATOM, and how do you know?

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