What Are They Used For

Question 1

Facts on Hydrogen/H

Answer 1

It’s a diatomic molecule H2
It’s a gas
It’s an element

Question 2

Facts on Helium/He

Answer 2

It’s a gas
It’s used for balloons as it is non-reactive
It’s an element

Question 3

Facts on Carbon/C

Answer 3

It!s a solid
It’s not metal
It’s an element

Question 4

Facts on Oxygen/O

Answer 4

It’s a diatomic molecule O2
It’s an element 
It makes 21% of the air
It’s an element 
It’s added when you burn stuff : Fe + O2   Arrow   FeO2 Iron Oxide

Question 5

Facts on Gold/Au

Answer 5

It’s a metal
We use it for jewellery because it doesn’t react
It rare so expensive
It’s an element

Question 6

Facts on Mercury/Hg

Answer 6

It’s a liquid at room temperature
It’s an element
It’s a metal

Question 7

Facts on Copper/Cu

Answer 7

It’s a metal
It’s used for electrical wires
It’s an element

Question 8

Facts on Aluminium/Au

Answer 8

It’s a metal
It’s light weight
It’s an element
It’s used for tin foil

Question 9

Describe what it looks like Sulfur/S

Answer 9

Yellow solid non-metal

Question 10

Facts on CO2

Answer 10

It’s a compound
It’s a colourless gas
It turns limewater milky
It is taken in by plants during photosynthesis

Question 11

H2O

Answer 11

It’s a compound
It’s a colourless liquid
It boils at 100c

Question 12

N2

Answer 12

It’s a diatomic molecule

It makes up 78% of the air

Question 13

S8

Answer 13

It’s a yellow solid often found around volcanos

Question 14

SO2

Answer 14

Sulfur dioxide

A poisonous gas that can dissolve in water making an acid