sighcelia sighcelia

30-08-2016
Chemistry

contestada

what is the atomic mass of an atom that has 3 protons and 4 neutrons

Respuesta :

JoshEast JoshEast

30-08-2016

Atomic Mass is equal to the sum of the number of protons and neutrons.

Thus the atomic mass = 3 + 4

= 7

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