Formulas To Learn

Question 1

Hydrogen sulphide contains

Answer 1

Hydrogen and sulphur

Question 2

Caesium chloride contains

Answer 2

Caesium and chlorine

Question 3

Sodium phosphide contains

Answer 3

Sodium and phosphorus

Question 4

Sodium phosphate contains

Answer 4

Sodium, phosphorus and oxygen

Question 5

Cobalt nitrate contains

Answer 5

Cobalt, nitrogen and oxygen

Question 6

Magnesium aluminate contains

Answer 6

Magnesium aluminium and oxygen

Question 7

Nitrogen dioxide

Answer 7

Nitrogen and oxygen but 2 oxygen I think

Question 8

Sodium hydrogen carbonate contains

Answer 8

Sodium, hydrogen, carbon and oxygen

Question 9

Potassium hydroxide contains

Answer 9

Potassium, hydrogen and oxygen

Question 10

General rule: ending in ‘ide’ means

Answer 10

Containing only 2 different elements

Eg copper oxide is only copper and oxygen

Metal is always written first

Question 11

General rule: ending in ‘ate’ means

Answer 11

Contains oxygen as well

Eg sodium phosphate contains sodium, phosphorus and oxygen

Question 12

Aluminium Oxide

Answer 12

Al2O3

Question 13

Aluminium Chloride

Answer 13

AlCl3

Question 14

Ammonium

Answer 14

NH4

Question 15

Ammonia

Answer 15

NH3

Question 16

Ammonium Chloride

Answer 16

NH4Cl

Question 17

Ammonium Sulphate

Answer 17

(NH4)2SO4

Question 18

Calcium Carbonate

Answer 18

CaCO3

Question 19

Calcium Chloride

Answer 19

CaCl2

Question 20

Calcium Hydroxide

Answer 20

Ca(OH)2

Question 21

Carbon Monoxide

Answer 21

CO

Question 22

Carbon Dioxide

Answer 22

CO2

Question 23

Cobalt (II) Chloride

Answer 23

CoCl2

Question 24

Copper (II) Chloride

Answer 24

CuCl2

Question 25

Copper (I) Oxide

Answer 25

Cu2O

Question 26

Copper (II) sulphate

Answer 26

CuSO4

Question 27

Hydrogen Chloride

Answer 27

HCl (g)

Question 28

Hydrochloric Acid

Answer 28

HCl (aq)

Question 29

Hydrogen Fluoride

Answer 29

HF

Question 30

Hydrogen Peroxide

Answer 30

H2O2

Question 31

Hydrogen Sulphide

Answer 31

H2S

Question 32

Iron (II) Chloride

Answer 32

FeCl2

Question 33

Iron (III) Chloride

Answer 33

FeCl3

Question 34

Magnesium Carbonate

Answer 34

MgCO3

Question 35

Magnesium Chloride

Answer 35

MgCl2

Question 36

Need to finish sheet

Answer 36

Both sheets!

Question 37

Copper oxide contains

Answer 37

Copper and Oxygen

Question 38

Magnesium Oxide

Answer 38

MgO

Question 39

Manganese (IV) Oxide

Answer 39

MnO2

Question 40

Nitric Acid

Answer 40

HNO3

Question 41

Nitrogen Monoxide

Answer 41

NO

Question 42

Nitrogen Dioxide

Answer 42

NO2

Question 43

Phosphoric Acid

Answer 43

H3PO4

Question 44

Potassium Chloride

Answer 44

KCl

Question 45

Potassium Hydroxide

Answer 45

KOH

Question 46

Potassium Nitrate

Answer 46

KNO3

Question 47

Silicon (IV) Oxide

Answer 47

SiO2

Question 48

Silver Nitrate

Answer 48

AgNO3

Question 49

Sodium Carbonate

Answer 49

Na2CO3

Question 50

Sodium Chloride

Answer 50

NaCl

Question 51

Sodium Hydroxide

Answer 51

NaOH

Question 52

Sodium Nitrate

Answer 52

NaNO3

Question 53

Sodium Sulphate

Answer 53

Na2SO4

Question 54

Sulphur Dioxide

Answer 54

SO2

Question 55

Sulphur Trioxide

Answer 55

SO3

Question 56

Sulphuric Acid

Answer 56

H2SO4

Question 57

Zinc Carbonate

Answer 57

ZnCO3

Question 58

Zinc Oxide

Answer 58

ZnO

Question 59

Water

Answer 59

H2O

Question 60

Ammonium Ion

Answer 60

+ NH 4

Question 61

Hydrogen Ion

Answer 61

H+

Question 62

Copper (I) Ion

Answer 62

Cu+

Question 63

Potassium Ion

Answer 63

K+

Question 64

Sodium Ion

Answer 64

Na+

Question 65

Silver Ion

Answer 65

Ag+

Question 66

Calcium Ion

Answer 66

2+ | Ca

Question 67

Magnesium Ion

Answer 67

2+ | Mg

Question 68

Copper (II) ion

Answer 68

2+ | Cu

Question 69

Iron (II) ion

Answer 69

2+ | Fe

Question 70

Zinc ion

Answer 70

2+ | Zn

Question 71

Aluminium ion

Answer 71

3+ | Al

Question 72

Iron (III) ion

Answer 72

3+ | Fe

Question 73

Tin (IV) ion

Answer 73

4+ | Sn

Question 74

Bromide ion

Answer 74

Br-

Question 75

Chloride ion

Answer 75

Cl-

Question 76

Iodide ion

Answer 76

I-

Question 77

Hydroxide ion

Answer 77

OH-

Question 78

Nitrate ion

Answer 78

- NO 3

Question 79

Carbonate ion

Answer 79

2- CO 3

Question 80

Oxide ion

Answer 80

2- | O

Question 81

Sulphate (VI) ion

Answer 81

2- SO 4

Question 82

Sulphide ion

Answer 82

2- | S

Question 83

Phosphate ion

Answer 83

3- PO 4

Question 84

Sulphate (IV) ion

Answer 84

2- SO 3

Question 85

Hydrogen Carbonate ion

Answer 85

- HCO 3

Question 86

Are positive ions (cations) usually metal or non metals?

Answer 86

Metals

Question 87

Are negative ions (anions) usually metals or non metals?

Answer 87

Non metals