Naming Compounds

Question 1

What are the steps in writing the chemical formulae for a metal/nonmetal compound?

Answer 1

Write the symbol of each element
Determine the stability number / valency for each element
Exchange the stability numbers

Question 2

What is the stability number?

Answer 2

the amount of electrons you need to gain or give away

Question 3

When naming metal/nonmetal compounds, what is the role of the metal?

Answer 3

the metal forms the first part of the name and it remains unchanged

Question 4

When naming metal/nonmetal compounds, what is the role of the non metal?

Answer 4

the non metal forms the second part of the name and changes the end to -ide

Question 5

Write the formula of magnesium oxide

Answer 5

MgO

Question 6

What is the formula of Beryllium chloride

Answer 6

BeCl2

Question 7

What is the formula of Potassium fluoride

Answer 7

KF

Question 8

What is the formula ofCalcium sulphide

Answer 8

CaS

Question 9

What is the formula of Sodium nitride

Answer 9

Na3N

Question 10

What is the formula of Aluminum oxide

Answer 10

Al2O3

Question 11

What is a radical?

Answer 11

a group of compounds which remain bonded together during a chemical reaction. it behaves as a single unit

Question 12

What is the formula for Nitrate

Answer 12

NO 1-
3

Question 13

What is the formula for Sulphate

Answer 13

SO 2-
4

Question 14

What is the formula for Carbonate

Answer 14

CO 2-
3

Question 15

What is the formula for Hydroxide

Answer 15

OH 1-

Question 16

What is the formula for Ammonium

Answer 16

NH 1+
4

Question 17

What is the formula for Ethanoate

Answer 17

CH COO -1
3

Question 18

What is the formula for Phosphate

Answer 18

PO 3-
4

Question 19

What is the formula for Sodium phosphate?

Answer 19

Na PO
3 4

Question 20

What is the formula for Calcium Carbonate

Answer 20

CaCo
3

Question 21

What is the formula for Aluminium Ethanoate

Answer 21

(CH COO) Al
3

Question 22

Potassium Nitrate

Answer 22

KNO
3

Question 23

Sodium Hydroxide

Answer 23

Na OH

Question 24

Magnesium Hydroxide

Answer 24

Mg(OH )
2

Question 25

Calcium Hydroxide

Answer 25

(OH) Ca 2

Question 26

What are the prefixes for non metals and what do they mean?

Answer 26

mon- 1 di- 2 tri- 3 tetra- 4 pent- 5

Question 27

Write the name for CO

Answer 27

carbon monoxide

Question 28

Write the name for CO 2

Answer 28

carbon dioxide

Question 29

Write the name for SO 2

Answer 29

sulphur dioxide

Question 30

Write the name for P O 2 5

Answer 30

diphosphorus pentoxide

Question 31

Name the compound; HCl

Answer 31

HydroChloricAcid

Question 32

Name the compound; CH COOH 3

Answer 32

Ethanoic acid

Question 33

Name the compound; H SO 2 4

Answer 33

Sulphuric acid

Question 34

Name the compound; HNO 3

Answer 34

Nitric Acid

Question 35

Name the compound; H CO 2 3

Answer 35

Carbonic Acid

Question 36

Name the compound; H PO 3 4

Answer 36

Phosphoric Acid