Negative Ions

Question 1

Acetate

Answer 1

C2H302-

Question 2

Bicarbonate

Answer 2

HCO3-

Question 3

Chlorate

Answer 3

CIO3-

Question 4

Cyanide

Answer 4

CN-

Question 5

Hydroxide

Answer 5

OH-

Question 6

Hypochlorite

Answer 6

CIO-

Question 7

Nitrate

Answer 7

NO3-

Question 8

Nitrite

Answer 8

NO2-

Question 9

Perchlorate

Answer 9

CIO4-

Question 10

Permanganate

Answer 10

MnO4

Question 11

Thiocynate

Answer 11

SCN-

Question 12

2-

Answer 12

F, Cl, Br, I, At, Ts All elements in group 7A( halogens)

Question 13

Carbonate,

Answer 13

CO(3)^2-

Question 14

Peroxide

Answer 14

O(2)^2-

Question 15

Sulfate

Answer 15

SO(4)^2-

Question 16

Sulfite

Answer 16

SO(3)^2-

Question 17

Chromate

Answer 17

CrO(4)^2-

Question 18

Dichromate

Answer 18

Cr(2)O(7)^2-

Question 19

Oxalate

Answer 19

C(2)O(4)^2-

Question 20

Thiosulfate

Answer 20

S(2)O(3)2-

Question 21

-2

Answer 21

O, S, Se, Te, Po,Lv (all elements in group 6A)

Question 22

Phosphate

Answer 22

Po(4)^3-

Question 23

Phosphide

Answer 23

P^3-

Question 24

Phosphite

Answer 24

Po(3)^3-

Question 25

Arsenate

Answer 25

AsO(4)^3-

Question 26

-3

Answer 26

And all elements in group 5A

Question 27

Carbide

Answer 27

C^4-

Question 28

-4

Answer 28

Group 4A can potentially make 4- if under the right circumstances