Question

friends I need it urgently .please!!!!!!!

Answer 1

1) C-
neutrons = 7
proton = 6

2)O -
neutrons = 8
proton = 8

3)Mg
neutrons =12
proton = 12

4)Fe -
neutrons = 30
proton = 26

5)sr -
neutrons = 50
proton = 38
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1)Cl
2)uranium
3)Beryllium

Answer 2

hope this helps number of proton is equal to no of electron equal to atomic number.