Calcium

(a)  

Copper I

(a)  

Copper (II)

(a)  

Zn +2

(a)  

Bromine

(a)  

Krypton

(a)  

Ag +1

(a)  

Iodine

(a)  

NH4 +1

(a)  

C2H3O2 -1

(a)  

OH -1

(a)