Question

Ques / Ans
Is atomic
mass same for all elements
is it different
aton ? Explain.
ou is it​

Answer 1

An element's mass number (A) is the sum of the number of protons and the number of neutrons. ... Protons and neutrons both weigh about one atomic mass unit or amu. Isotopes of the same element will have the same atomic number but different mass numbers.

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