Compounds (easter)

Question 1

What can be defined as a compound?

Answer 1

A substance with
two or more elements
whose atoms are chemically combined
in a fixed proportion

Question 2

A metal + Nitrogen =

Answer 2

The metal then Nitride

Question 3

A metal + Nitrogen + Oxygen =

Answer 3

The metal then Nitrate

Question 4

A metal + Hydrogen + Oxygen = ( the exception)

Answer 4

The metal then Hydroxide

Question 5

CO2 - Carbon dioxide

Answer 5

1 atom of carbon (black) 2 atoms of oxygen (red)

Question 6

NH3 - ammonia

Answer 6

1 atom of nitrogen (blue) 3 atoms of hydrogen (white)

Question 7

N2 - nitrogen

Answer 7

2 atoms of nitrogen (blue)

Question 8

HCI - hydrogen chloride

Answer 8

1 atom of hydrogen (white) 1 atom of Chlorine (green)

Question 9

H2S - hydrogen sulphide

Answer 9

2 atoms of hydrogen (white) 1 atom of sulphur (yellow)

Question 10

PCl3 - phosphorous trichloride

Answer 10

1 atom of phosphorus (purple) 3 atoms of chlorine (green)

Question 11

C2H4 - ethene

Answer 11

2 atoms of carbon (black) 4 atoms of hydrogen (white)

Question 12

Cl2O - dichloride oxide

Answer 12

2 atoms of chlorine (green) 1 atoms of oxygen (red)

Question 13

N2H4 - hydrazine

Answer 13

2 atoms of nitrogen (blue) 4 atoms of hydrogen (white)

Question 14

Copper Oxide?

Answer 14

Black (or Red) Powder

Question 15

Iron Sulphate?

Answer 15

Pale green solid

Question 16

Silicon Dioxide?

Answer 16

White solid

Question 17

Copper Sulphate?

Answer 17

Blue solid

Question 18

Iron Sulphide?

Answer 18

Grey solid

Question 19

Copper Carbonate?

Answer 19

Green solid

Question 20

Copper?

Answer 20

Red - brown powder

Question 21

Silicon

Answer 21

Shiny black solid

Question 22

Iron

Answer 22

Shiny grey solid

Question 23

Oxygen

Answer 23

Colourless gas

Question 25

Carbon

Answer 25

Black solid

Question 26

Sulphur

Answer 26

Yellow solid