Question

what information does the mass number give about the atoms of an element?​

Answer 1

Answer:

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The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom.....

The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. The atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom......

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Answer 2

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 (also known as the proton number) is the number of protons found in the nucleus of an atom.