Answer Happy

Help plz i need the answer today.
? How many lone pairs are found in the Lewis structure for the perchlorate ion, CIO4.11 (0.5 نقطة) a) 4 O b) 6 O c) 9 d) 12 O e) 16 O The number of lone electron pairs in the NH4+ ion is 12 (0.5 نقطة) a) 0 O b) 1 O C) 2 O d) 3 O e) 4 O ?The Lewis structure reveals a triple bond in which of the following molecules. 13 (0.5 نقطة) a) Br2 O b) 02 c) N2 O d) H2 e) CH4 O

?The Lewis structure reveals a double bond in which of the following molecules 14 (0.5 نقطة) a) Br2 O b) 02 O c) N2O d) H2O e) CH4 O The number of lone electron pairs in the N2 molecule is. 15 (0.5 نقطة) a) 1 O b) 2 O c)3 d) 4 e) 5 O The total number of valence electrons in the ion S042- is. 16 (0.5 نقطة) -a) 24 O b) 26 c) 28 O d) 30 O e) 32