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In Chemistry / Junior High School | 2024-09-06

the of an element is the total number of protons and neutrons in the of an atom

Asked by mejias6402

Answer (1)

Answer:Mass Numbers.The mass number (A) of an atom is the total number of protons and neutrons in its nucleus. The mass of the atom is a unit called the atomic mass unit (amu).

Answered by villaale017 | 2024-09-06

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