Formulae of Compounds

Question 1

How many atoms are in CO2

Answer 1

2 Oxygen
1 Carbon
= 3 Atoms

Question 2

What is the Formula for Water

Answer 2

H2O

Question 3

What is the Formula for Carbon Dioxide

Answer 3

CO2

Question 4

What is the Formula for Sulfur Dioxide

Answer 4

SO2

Question 5

What is the Formula for Nitric Acid

Answer 5

HNO3

Question 6

What is the Formula for Ethanoic Acid

Answer 6

CH3CO2H

Question 7

What is the Formula for Ammonia

Answer 7

NH3

Question 8

What is the Formula for Ammonium Chloride

Answer 8

NH4CL

Question 9

What is the Formula for Sodium Hydroxide

Answer 9

NaOH

Question 10

What is the Formula for Sodium Chloride

Answer 10

NaCl

Question 11

What is the Formula for Sodium Carbonate

Answer 11

Na2CO3

Question 12

What is the Formula for Sodium Hydrogencarbonate

Answer 12

NaHCO3

Question 13

What is the Formula for Sodium Sulfate

Answer 13

Na2SO4

Question 14

What is the Formula for Copper (II) Oxide

Answer 14

CuO

Question 15

What is the Formula for Copper (II) Sulfate

Answer 15

CuSO4

Question 16

What is the Formula for Calcium Hydroxide

Answer 16

Ca(OH)2

Question 17

What is the Formula for Calcium Carbonate

Answer 17

CaCO3

Question 18

What is the Formula for Calcium Chloride

Answer 18

CaCl2

Question 19

What is the Formula for Methane

Answer 19

CH4

Question 20

What is the Formula for Hydrochloric Acid

Answer 20

HCl

Question 21

What is the Formula for Sulfuric Acid

Answer 21

H2SO4