Chemistry, 20.09.2020 01:01 bekzod37

The sum of the number of protons and neutrons in an atom is called the of the element. 1. Molar Mass 2. Atomic number 3. Average atomic mass 4. Mass number o2 o4 o3 o1

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The sum of the number of protons and neutrons in an atom is called the of the element. 1. Molar Mas...

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