Question

Definition of Atomic Mass?
what are the Atomic Mass of all the elements name them and thier
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Answer 1

Answer:

Atomic number: The atomic number is the total number of protons present in the atom. For example, the atomic number of sodium is 11. It contains 11 protons and 11 electrons.

Explanation:

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Answer 2

The quantity of matter contained in an atom of an element is called atomic mass