Polyatiomic Ions

Question 1

Hydroxide

Answer 1

OH (1-)

Question 2

Cyanide

Answer 2

CN (1-)

Question 3

Peroxide

Answer 3

O2 (2-)

When Per- is added, the atom is doubled

Question 4

Silver

Answer 4

Ag (1+)

Question 5

Zinc

Answer 5

Zn (2+)

Question 6

Scandium

Answer 6

Sc (3+)

Question 7

Cadium

Answer 7

Cd (2+)

Question 8

Sulfide

Answer 8

S (2-)

Question 9

Sulfate

Answer 9

SO4 (2-)

Question 10

Sulfite

Answer 10

SO3 (2-)

Drop one from -ate

Question 11

Nitrate

Answer 11

NO3 (-1)

Question 12

Nitrite

Answer 12

NO2 (1-)

Question 13

Carbon Monoxide

Answer 13

CO (?)

Question 14

Carbon Dioxide

Answer 14

CO2 (?)

Question 15

Chloride

Answer 15

Cl (1-)

Question 16

Chlorate

Answer 16

ClO3 (1-)

Question 17

Chlorite

Answer 17

ClO2 (1-)

Question 18

Perchlorate

Answer 18

ClO4 (1-)

Question 19

Hypochlorite

Answer 19

ClO (1-)

Question 20

HCl

Answer 20

Hydrochloric Acid

When no oxygen is present, then the acid name is Hydro_____ic Acid

Question 21

H2SO4

Answer 21

Sulfuric Acid

When oxygen is present, then the acid name becomes as follows:
Ion ends in -ate= _____ic Acid
Ion ends in -ite= _____us Acid

Question 22

HNO3

Answer 22

Nitric Acid

Question 23

HNO2

Answer 23

Nitrus Acid

Question 24

Carbonate

Answer 24

CO3 (2-)

Question 25

Bicarbonate

Answer 25

HCO3 (2-)

Question 26

Mercury (I)

Answer 26

Hg2 (2+)

Question 27

Mercury (II)

Answer 27

Hg (2+)

Question 28

Bromate

Answer 28

BrO (1-)

Question 29

Iodate

Answer 29

IO3 (1-)

Question 30

Chromate

Answer 30

CrO4 (2-)

Question 31

Dichromate

Answer 31

Cr2O7 (2-)

Question 32

Acetate

Answer 32

C2H3O2 (1-)

Question 33

Permanganate

Answer 33

MnO4 (1-)

Question 34

Oxalate

Answer 34

C2O4 (2-)

Question 35

tartrate

Answer 35

C4H4O6 (2-)

Question 36

Thiosulfate

Answer 36

S2O3 (2-)

Question 37

Phosphate

Answer 37

PO4 (3-)

Question 38

Barium

Answer 38

Ba (2+)

Alkali Metals and Alkaline Earth metals have a set charge

Question 39

Hydride

Answer 39

H (1-)

Question 40

Iodide

Answer 40

I (1-)

Question 41

Ammonium

Answer 41

NH4 (1-)