lia84
lia84
10-01-2019
Physics
contestada
Can someone please help me!! picture attached.
Respuesta :
camiccc99
camiccc99
10-01-2019
The atomic mass is the total number of protons and neutrons an atoms has.
The atoms in the picture has has 3 protons and 4 neutrons. Which means the atomic mass is 7
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