Which best describes the definition for the atomic mass of an element
a. it is a ratio based o...
Which best describes the definition for the atomic mass of an element
a. it is a ratio based on the mass of the carbon 12 atom
b. it is a weighted average of the masses of an elements isotopes
c. it is twice the number of protons in one atom of the element
d. it is the sum of the protons and neutrons in one atom of the element
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