solute

solvent

Chromatography

Steps of chromatography

Fractional distillation

Steps of fractional distillation

Steps of cracking

cracking

Green house effect

Earths atmosphere

Earths early atmosphere

Early atmosphere was like

Main gasses in early atmosphere was

Question Text

Question Text

Question Text

Question Text

Pollutants

Crude oil

Mining advantages

Disadvantage of mining

Extracting metals

Displacement

What atoms are made up of

Charge of atom

Mass number

Developing periodic table

Developing periodic table

Group 1

Group 7

Group 0

Ionic bonding

Covalent bonding