ENGAGE
Compute the number of protons, neutrons and electrons in a
particular atom by completing the table with the needed
Proton
Electron
Neutron
information
ELEMENT
Galium (Ga
Selenium Se)
Bismuth B
Barum Ba)
Atomic No Atomic Mass
31
70
79
83
209
56
137
34
126
83
56
56
81​