Balancing Equations

Question 1

If the compound only contains one metal and one non-metal, then what would the ending turn into for the non-metal?

Answer 1

ide

Question 2

If you have iron sulphur, what would it become when you write it?

Answer 2

Iron sulphide

Question 3

What about if you had iron and hydrogen, how would you write that?

Answer 3

Iron hydride

Question 4

If you had one metal, one non-metal and oxygen, what would the ending change to for the non-metal?

Answer 4

ate

Question 5

What is the formula for sulphate?

Answer 5

SO₄

Question 6

What is the formula for nitrate?

Answer 6

NO₃

Question 7

What is the formula for hydroxide?

What elements does it contain?

Answer 7

OH

Hydrogen and oxygen

Question 8

What does diatomic mean?

Answer 8

consisting of two atoms

Question 9

What are the 7 elements that are diatomic?

Answer 9

Hydrogen (H₂)
Oxygen (O₂)
Nitrogen (N₂)
Fluorine (F₂)
Chlorine (Cl₂)
Bromine (Br₂)
Iodine (I₂)

Question 10

What is the valency for group 1?

Answer 10

1

Question 11

What is the valency for group 2?

Answer 11

2

Question 12

What is the valency for group 3?

Answer 12

3

Question 13

What is the valency for group 4? (Except lead)

Answer 13

4

Question 14

What is the valency for group 5?

Answer 14

3

Question 15

What is the valency for group6?

Answer 15

2

Question 16

What is the valency for group 7?

Answer 16

1

Question 17

What is the valency for group 8? And why?

Answer 17

0

Group 8 has an valency of 0 as their outer shell is full and so the elements are already in a stable state.

Question 18

What is the valency for zinc?

Answer 18

2

Question 19

What is the valency for iron (ii)?

Answer 19

2

Question 20

What is the valency for iron (iii)

Answer 20

3

Question 21

What is the valency for silver?

Answer 21

1

Question 22

What is the valency for hydroxide

Answer 22

1

Question 23

What is the valency for nitrate?

Answer 23

1

Question 24

What is the valency for carbonate

Answer 24

2

Question 25

What is the valency for phosphate?

Answer 25

3

Question 26

What is the valency for sulphate

Answer 26

2

Question 27

What is the valency for ammonium?

Answer 27

1

Question 28

What is the valency for lead?

Answer 28

2

Question 29

What is the formula for phosphoric acid?

Answer 29

H₃PO₄

Question 30

What is the formula for ammonia?

Answer 30

NH₃

Question 31

What is the formula for ammonium?

Answer 31

NH₄

Question 32

What is the formula for carbon monoxide?

Answer 32

CO

Question 33

What is the formula for hydrochloric acid?

Answer 33

HCL

Question 34

What is the formula for sulphuric acid?

Answer 34

H₂SO₄

Question 35

What is the formula for carbonate?

Answer 35

CO₃

Question 36

Finish this general equation: acid + metal hydroxide –>

Answer 36

salt + water

Question 37

Finish this general equation: acid + metal oxide –>

Answer 37

salt + water

Question 38

Finish this general equation: acid + metal –>

Answer 38

salt + hydrogen

Question 39

Finish this general equation: acid + metal carbonate –>

Answer 39

salt + water + carbon dioxide

Question 40

Finish this general equation: metal 1 + salt 1 + metal 2 + salt 2 –>

Answer 40

Metal 2 salt 1 + metal 1 salt 2

Question 41

If you are making a salt by reacting with a metal with an acid, what will the state symbol be for the salt?

Answer 41

Aq

Question 42

What state symbol is always acids?

Answer 42

Aq

Question 43

If one of the reactants say solution, what would the salt be?

Answer 43

Aq