FORMULAE

Question 1

What are the components of ionic compounds?

Answer 1

Positive and negative ions.

Question 2

What is the formula for a hydrogen ion?

Answer 2

H+

Question 3

What is the charge of sodium ion?

Answer 3

1+

Question 4

What is the formula for a potassium ion?

Answer 4

K+

Question 5

What is the formula for a silver ion?

Answer 5

Ag+

Question 6

What is the formula for an ammonium ion?

Answer 6

NH4+

Question 7

What is the charge of magnesium ion?

Answer 7

2+

Question 8

What is the formula for a calcium ion?

Answer 8

Ca2+

Question 9

What is the formula for a copper (II) ion?

Answer 9

Cu2+

Question 10

What is the formula for a zinc ion?

Answer 10

Zn2+

Question 11

What is the charge of iron (II) ion?

Answer 11

2+

Question 12

What is the formula for a lead ion?

Answer 12

Pb2+

Question 13

What is the charge of barium ion?

Answer 13

2+

Question 14

What is the formula for an aluminium ion?

Answer 14

Al3+

Question 15

What is the charge of iron (III) ion?

Answer 15

3+

Question 16

What is the formula for a fluoride ion?

Answer 16

F-

Question 17

What is the charge of a chloride ion?

Answer 17

1-

Question 18

What is the formula for a bromide ion?

Answer 18

Br-

Question 19

What is the formula for an iodide ion?

Answer 19

I-

Question 20

What is the formula for a hydroxide ion?

Answer 20

OH-

Question 21

What is the formula for a nitrate ion?

Answer 21

NO3-

Question 22

What is the formula for a hydrogencarbonate ion?

Answer 22

HCO3-

Question 23

What is the formula for a hydride ion?

Answer 23

H-

Question 24

What is the charge of an oxide ion?

Answer 24

2-

Question 25

What is the formula for a sulfide ion?

Answer 25

S2-

Question 26

What is the formula for a carbonate ion?

Answer 26

CO3^2-

Question 27

What is the formula for a sulfate ion?

Answer 27

SO4^2-

Question 28

What is the charge of a nitride ion?

Answer 28

3-

Question 29

Fill in the blank: The formula for a calcium ion is _______.

Answer 29

Ca2+

Question 30

Fill in the blank: The formula for a nitrate ion is _______.

Answer 30

NO3-

Question 31

True or False: The ammonium ion has a formula of NH4+.

Answer 31

True

Question 32

True or False: The charge of a sulfate ion is 1-.

Answer 32

False

Question 33

What is a suggested method for learning the ionic formulas?

Answer 33

Making flashcards.

Question 34

What prefix is used for the number 1 in covalent compound names?

Answer 34

mono ## Footnote Derived from Ancient Greek.

Question 35

What prefix is used for the number 2 in covalent compound names?

Answer 35

di ## Footnote Derived from Ancient Greek.

Question 36

What prefix is used for the number 3 in covalent compound names?

Answer 36

tri ## Footnote Derived from Ancient Greek.

Question 37

What prefix is used for the number 4 in covalent compound names?

Answer 37

tetra ## Footnote Derived from Ancient Greek.

Question 38

What prefix is used for the number 5 in covalent compound names?

Answer 38

penta ## Footnote Derived from Ancient Greek.

Question 39

What prefix is used for the number 6 in covalent compound names?

Answer 39

hexa ## Footnote Derived from Ancient Greek.

Question 40

What is the formula for Carbon dioxide?

Answer 40

CO2 ## Footnote Commonly used in many chemical equations.

Question 41

What is the formula for Carbon monoxide?

Answer 41

CO ## Footnote A common gas that can be toxic.

Question 42

What is the formula for Sulphur dioxide?

Answer 42

SO2 ## Footnote Emitted from volcanic eruptions and industrial processes.

Question 43

What is the formula for Sulphur trioxide?

Answer 43

SO3 ## Footnote Used in the production of sulfuric acid.

Question 44

What is the formula for Phosphorus trichloride?

Answer 44

PCl3 ## Footnote A chemical compound used in organic synthesis.

Question 45

What is the formula for Silicon tetrachloride?

Answer 45

SiCl4 ## Footnote Used in the production of silicon and in chemical synthesis.

Question 46

What is the formula for Phosphorus pentachloride?

Answer 46

PCl5 ## Footnote Used in chlorination reactions.

Question 47

What is the formula for Nitrogen dioxide?

Answer 47

NO2 ## Footnote A significant air pollutant.

Question 48

What is the formula for Dinitrogen tetroxide?

Answer 48

N2O4 ## Footnote An equilibrium species in the nitrogen dioxide dimerization.

Question 49

What is the formula for Sulfur hexafluoride?

Answer 49

SF6 ## Footnote Used as an insulating gas in electrical equipment.

Question 50

What is the formula for Hydrochloric acid?

Answer 50

HCl ## Footnote A strong acid used in various chemical processes.

Question 51

What is the formula for Nitric acid?

Answer 51

HNO3 ## Footnote A strong acid used in fertilizers and explosives.

Question 52

What is the formula for Sulphuric acid?

Answer 52

H2SO4 ## Footnote One of the most widely used industrial chemicals.

Question 53

What is the formula for Ammonia?

Answer 53

NH3 ## Footnote Used in fertilizers and cleaning products.

Question 54

What is the formula for Methane?

Answer 54

CH4 ## Footnote A major component of natural gas.

Question 55

What is the formula for Hydrogen?

Answer 55

H2 ## Footnote Exists as a diatomic molecule.

Question 56

What is the formula for Oxygen?

Answer 56

O2 ## Footnote Essential for respiration in many organisms.

Question 57

What is the formula for Nitrogen?

Answer 57

N2 ## Footnote Makes up about 78% of Earth's atmosphere.

Question 58

What is the formula for Chlorine?

Answer 58

Cl2 ## Footnote A diatomic molecule used as a disinfectant.

Question 59

What is the formula for Iodine?

Answer 59

I2 ## Footnote Exists as a diatomic molecule in its elemental form.

Question 60

What is the formula for Bromine?

Answer 60

Br2 ## Footnote The only non-metal that is liquid at room temperature.