elements

Question 1

hydrogen

Answer 1

h+

Question 2

lithium

Answer 2

Li+

Question 3

Sodium

Answer 3

Na+

Question 4

Potassium

Answer 4

K+

Question 5

Copper (i)

Answer 5

Cu+

Question 6

Silver

Answer 6

Ag+

Question 7

Ammonium

Answer 7

NH4+

Question 8

Magnesium

Answer 8

Mg2+

Question 9

Calcium

Answer 9

Ca2+

Question 10

Barium

Answer 10

Ba2+

Question 11

Iron (ii)

Answer 11

Fe2+

Question 12

Copper (ii)

Answer 12

Cu2+

Question 13

Zinc

Answer 13

Zn2+

Question 14

Tin (ii)

Answer 14

Sn2+

Question 15

Lead (ii)

Answer 15

Pb2+

Question 16

Iron (iii)

Answer 16

Fe3+

Question 17

Aluminium

Answer 17

Al3+

Question 18

Fluoride

Answer 18

F-

Question 19

Chloride

Answer 19

Cl-

Question 20

Bromide

Answer 20

Br-

Question 21

Iodide

Answer 21

I-

Question 22

Hydride

Answer 22

H-

Question 23

Hydroxide

Answer 23

OH-

Question 24

Nitrite (Nitrate(iii))

Answer 24

NO2-

Question 25

Nitrate (nitrate(v))

Answer 25

NO3-

Question 26

Hydrogen Carbonate

Answer 26

HCO3-

Question 27

Hydrogen Sulfate

Answer 27

HSO4-

Question 28

Manganate (vii)

Answer 28

MnO4-

Question 29

Ethanoate

Answer 29

CH3COO-

Question 30

Oxide

Answer 30

O2-

Question 31

Sulfide

Answer 31

S2-

Question 32

Sulfite(sulfate(iv))

Answer 32

SO32-

Question 33

Sulfate

Answer 33

SO42-

Question 34

Carbonate

Answer 34

CO32-

Question 35

Dichromate

Answer 35

Cr2O72-

Question 36

Nitride

Answer 36

N3-

Question 37

Phosphate

Answer 37

PO43-

Question 38

phosphoric acid

Answer 38

H3PO4

Question 39

sulphuric acid

Answer 39

H2SO4

Question 40

nitrogen dioxide

Answer 40

NO2

Question 41

Sulphuric Dioxide

Answer 41

SO2

Question 42

Ammonia

Answer 42

NH3

Question 43

Hydrogen

Answer 43

H2

Question 44

Fluorine

Answer 44

F2

Question 45

Chlorine

Answer 45

Cl2

Question 46

Bromine

Answer 46

Br2

Question 47

Carbon monoxide

Answer 47

CO