biology

How is the mass number calculated for an element

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Guest Guest
@Guest | Posted 23 Aug. 2017




Guest Guest
@Guest | Posted 23 Aug. 2017


 The atomic number of a neutral atom is equal tothe number of protons and the number of electrons of the atom. The atomicweight meanwhile is equal to the sum of the number of protons and number ofneutrons. We add therefore the number of protons and number of neutrons 

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