Chemistry, asked by ashishshukla2294, 11 months ago

What does the mass number tell us about an atom?

Answers

Answered by RITHVIKA9999
3

Answer:

mass number is the number of protons and neutrons in nucleus of atom

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Answered by bhaterishani1234
1

Answer:The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. ... The atomic number uniquely identifies a chemical element. In an atom of neutral charge, atomic number is equal to the number of electrons.

Explanation:

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