Molecular Names and Formulas

Question 1

Carbonic Acid

Answer 1

(in groundwater, acid rain, and carbonated drinks)

H2CO3

Question 2

Hydrochloric Acid

Answer 2

Stomach acid

HCI

Question 3

Nitric Acid

Answer 3

(an acid in acid rain; basis for some explosives)

HNO3

Question 4

Phosphoric Acid

Answer 4

(used in some home cleaning products)

H3PO4

Question 5

Sulfuric Acid

Answer 5

Battery acid

H2SO4

Question 6

Nitrogen

Answer 6

(primary component of air; raw material for producing ammonia)
N2

Question 7

Oxygen

Answer 7

(second major component of air)

O2

Question 8

Argon

Answer 8

(third major component of air)

Ar

Question 9

Carbon Dioxide

Answer 9

(Combustion product of hydrocarbon fuels, including food being digested)
CO2

Question 10

Ozone

Answer 10

(In ozone layer; pollutant created when electric current passes through oxygen)
O3

Question 11

Water

Answer 11

Humidity; water vapor; steam

H20

Question 12

Fluorine

Answer 12

(Too reactive to occur as individual atoms)

F2

Question 13

Chlorine

Answer 13

(Bactericide; WWII gas warfare agent)

Cl2

Question 14

Bromine

Answer 14

Br2

Question 15

Iodine

Answer 15

I2

Question 16

Iodine Disinfectant

Answer 16

Bactericide; usually made by dissolving in water)

I2

Question 17

Acetic Acid

Answer 17

Vinegar

CH3COOH

Question 18

Ammonia

Answer 18

(Basis of all synthetic fertilizers, and so an exceedingly important agrichemical; a base)
NH3

Question 19

Hydrogen

Answer 19

Raw material for production of ammonia

H2

Question 20

Hydrogen Peroxide Solution

Answer 20

Peroxide H2O2

Question 21

Methane

Answer 21

Natural gas

CH4

Question 22

Silicon Dioxide

Answer 22

Quartz

SiO2

Question 23

Water

Answer 23

Fresh water; dew; rain

H20

Question 24

Water

Answer 24

Ice; snow; hail

H20

Question 25

Ammonium Hydroxide

Answer 25

Household ammonia | NH4OH

Question 26

Sodium Bicarbonate

Answer 26

Baking Soda | NaHCO3

Question 27

Sodium Hydroxide

Answer 27

Lye; drain cleaner | NaOH

Question 28

Sodium Hypochlorite

Answer 28

Household bleach | NaClO

Question 29

Calcium Carbonate

Answer 29

Limestone | CaCO3

Question 30

Iron(III) Oxide

Answer 30

Rust | Fe2O3

Question 31

Sodium Chloride

Answer 31

Table salt; rock salt | NaCl