I need to show how many protons and electrons are in the follow in g atoms or ions
1) Be+2
2) N-3
3) S-2
4) Li+
5) Pb+4
6) W+7
7)Mg+2
8) Mn+7
9) CR+6
10) Sn+2
11) Fe+3
12) Cu+
13) Au+3
14) C-4
15) A1+3
16) Si+4
17) Zn+2
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