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Atomic number shows the number of protons in an element and the mass number shows the number of protons+neutrons

In an electrically neutral atom, atomic number is also the number of electrons .

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12y ago

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What best describes the number of neutrons in an atom?

It is equal to the difference between atomic number and Atomic Mass number. A+


What is the difference between the atomic number an its atomic mass?

Atomic number is the amount of electrons. Atomic mass is the amount of protons and neutrons.


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