Formulae And Chemical Equations

Question 1

What is an ionic bond

Answer 1

A metal bonded with at least one non metal

Question 2

What is a covalent bond?

Answer 2

Two or more non metals bonded together

Question 3

What is the ionic charge of hydrogen?

Answer 3

H+

Question 4

What is the ionic charge of sodium?

Answer 4

Na+

Question 5

What is the ionic charge of potassium?

Answer 5

K+

Question 6

What is the ionic charge of lithium

Answer 6

Li+

Question 7

What is the ionic charge of silver?

Answer 7

Ag+

Question 8

What is the ionic charge of ammonium?

Answer 8

NH⁴+

Question 9

What is the ionic charge of magnesium?

Answer 9

Mg 2+

Question 10

What is the ionic charge of calcium?

Answer 10

Ca 2+

Question 11

What is the ionic charge of copper (II)?

Answer 11

Cu 2+

Question 12

What is the ionic charge of zinc?

Answer 12

Zn 2+

Question 13

What is the ionic charge of Iron (II)

Answer 13

Fe 2+

Question 14

What is the ionic charge of lead?

Answer 14

Pb 2+

Question 15

What is the ionic charge of Barium?

Answer 15

Ba 2+

Question 16

What is the ionic charge of aluminium?

Answer 16

Al 3+

Question 17

What is the ionic charge of Iron (III)?

Answer 17

Fe 3+

Question 18

What is the ionic charge of fluoride?

Answer 18

F -

Question 19

What is the ionic charge of chloride?

Answer 19

Cl -

Question 20

What is the ionic charge of bromide?

Answer 20

Br -

Question 21

What is the ionic charge of iodide?

Answer 21

I -

Question 22

What is the ionic charge of hydroxide?

Answer 22

OH -

Question 23

What is the ionic charge of nitrate?

Answer 23

NO³ -

Question 24

What is the ionic charge of hydrogencarbonate?

Answer 24

HCO³ -

Question 25

What is the ionic charge of hydride?

Answer 25

H -

Question 26

What is the ionic charge of oxide?

Answer 26

O 2-

Question 27

What is the ionic charge of sulfide?

Answer 27

S 2-

Question 28

What is the ionic charge of carbonate?

Answer 28

CO³ 2-

Question 29

What is the ionic charge of sulfate?

Answer 29

SO⁴ 2-

Question 30

What is the ionic charge of Nitride?

Answer 30

N 3-

Question 31

What is the formula for hydrochloric acid?

Answer 31

HCl

Question 32

What is the formula for nitric acid?

Answer 32

HNO³

Question 33

What is the formula for sulfuric acid?

Answer 33

H²SO⁴

Question 34

What is the formula for ammonia?

Answer 34

NH³

Question 35

What is the formula for methane?

Answer 35

CH⁴

Question 36

What is the formula for hydrogen?

Answer 36

H²

Question 37

What is the formula for oxygen?

Answer 37

O²

Question 38

What is the formula for nitrogen?

Answer 38

N²

Question 39

What is the formula for chlorine?

Answer 39

Cl²

Question 40

What is the formula for iodine?

Answer 40

I²

Question 41

What is the formula for bromine?

Answer 41

Br²

Question 42

Define molecular mass?

Answer 42

The sum of all the masses of all the atoms in the formula

Question 43

What chemicals are solids?

Answer 43

• All metals
• Metal oxides
• Metal carbonates
• Carbon

Question 44

What chemicals are liquids?

Answer 44

• H²O
• Mercury (Hg)
• SO³

Question 45

What chemicals are gaseous?

Answer 45

• steam (H²O)
• H²
• O²
• Cl²
• N²
• CO
• CO²
• SO²
• HCl (hydrogen chloride)
• CH⁴
• NO²
• NO

Question 46

What chemicals are aqueous?

Answer 46

All other ionic compounds
All acids
Alkaline solutions