How many protons and electrons do each of the following ions have?
(a) Be+2 (Atomic number = 4) _
(b) N -3 (Atomic number = 7)
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(a) Be+2
it is a positive ion so it loses electrons , that means it lost 2 electrons,so.....
electrons - 2
protons - 4
.
(b) N-3
it is a negetive ion so it gains elctrons, that means it gained 3 elecrons so.......
elctrons - 10
protons - 7
I think this is the answer...........I hope it helps you
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