Valencies

Question 1

Which ions are of the valency 1+?

Answer 1

Lithium, sodium, potassium, silver, copper (i), ammonium, hydrogen

Question 2

Which ions are of the valency 2+?

Answer 2

Magnesium, calcium, barium, zinc, mercury, manganese, nickel, iron (ii), copper (ii), tin (ii), lead (ii)

Question 3

Which ions are of the valency 3+?

Answer 3

Aluminium, chromium (iii), iron (iii)

Question 4

Which ions are of the valency 4+?

Answer 4

Tin (iv), lead (iv)

Question 5

Which ions are of the valency 3-?

Answer 5

Nitride, phosphate

Question 6

Which ions are of the valency 2-?

Answer 6

Oxide, sulfide, sulfate, carbonate, sulfite, dichromate, monohydrogen phosphate

Question 7

Which ions are of the valency 1-?

Answer 7

Fluoride, chloride, bromide, iodide, hydroxide, nitrate, hydrogen sulfate, hydrogéna carbonate, acetate, chromate, permanganate

Question 8

What is the symbol for the ion permanganate?

Answer 8

MnO4(-)

Question 9

What is the symbol for the ion ammonium?

Answer 9

NH4 (+)

Question 10

What is the symbol for the ion manganese?

Answer 10

Mn (2+)

Question 11

What is the symbol for the ion nickel?

Answer 11

Ni (2+)

Question 12

What is the symbol for the ion phosphate?

Answer 12

PO4 (3-)

Question 13

What is the symbol for the ion nitride?

Answer 13

N (3-)

Question 14

What is the symbol for the ion sulfate?

Answer 14

SO4 (2-)

Question 15

What is the symbol for the ion sulfide?

Answer 15

S (2-)

Question 16

What is the symbol for the ion carbonate?

Answer 16

CO3 (2-)

Question 17

What is the symbol for the ion sulfite?

Answer 17

SO3 (2-)

Question 18

What is the symbol for the ion dichromate?

Answer 18

Cr2O7 (2-)

Question 19

What is the symbol for the ion mono hydrogen phosphate?

Answer 19

HPO4 (2-)

Question 20

What is the symbol for the ion chromate?

Answer 20

CrO4 (-)

Question 21

What is the symbol for the ion hydrogen sulfate?

Answer 21

HSO4 (-)

Question 22

What is the symbol for the ion acetate?

Answer 22

CH3COO (-)