1. Be -2, O-2
2. Li- 1, O-2
3.H- 1, S-2
4.Hg-2,O -2
5.Mg-2, Cl-1
6.B-3, O-2
7.Zn-2,O-2
8.Ca-2,O-2
9.Ag-1,O-2
10.Ge-3,O-2
11.Se-4,O-2
12.Cr-3,O-2
13.Sb-5,O-2
14.Ca-2, Cl-1
15.Zn-2,S-2
16.As-5,O-2
17.Al-3,H-1
18.Cr-2,O-2
19.Se-6,O-2
20.Al-3,I-1
21.Te-6,O-2
22.H-1,Br-1
23.Fe-3,O-2
24.C-4,H-1
25.V-5,O-2
26. W-6,O-2
27.Co-3,O-2
28. Fe-3, Cl-1
29.Te-4,O-2
30.Mg-2,Br-1
31.Sn-4,O-2
32.Na-1,O-2
33.Co-2,F-1
34.K-1,S-2
35.Ni-3,Cl-1
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Answers & Comments
1. Be -2, O-2
2. Li- 1, O-2
3.H- 1, S-2
4.Hg-2,O -2
5.Mg-2, Cl-1
6.B-3, O-2
7.Zn-2,O-2
8.Ca-2,O-2
9.Ag-1,O-2
10.Ge-3,O-2
11.Se-4,O-2
12.Cr-3,O-2
13.Sb-5,O-2
14.Ca-2, Cl-1
15.Zn-2,S-2
16.As-5,O-2
17.Al-3,H-1
18.Cr-2,O-2
19.Se-6,O-2
20.Al-3,I-1
21.Te-6,O-2
22.H-1,Br-1
23.Fe-3,O-2
24.C-4,H-1
25.V-5,O-2
26. W-6,O-2
27.Co-3,O-2
28. Fe-3, Cl-1
29.Te-4,O-2
30.Mg-2,Br-1
31.Sn-4,O-2
32.Na-1,O-2
33.Co-2,F-1
34.K-1,S-2
35.Ni-3,Cl-1