ATS Chemistry:Atomic Structure and the Periodic Table

What subatomic particles are located in the nucleus?

• protons and electrons
• protons and neutrons
• protons
• neutrons

What is the mass and charge of an electron?

• mass = 1 charge = -1
• mass = 1 charge = 0
• mass = 0 charge = -1
• mass = 0 charge = 0

Which subatomic particle has a mass of 1 and a neutral charge?

• proton
• neutron
• electron

Is carbon a metal or non metal?

• metals
• non metal

On which side of the periodic table are the metals located?

• left
• right

Two or more atoms of different elements that are chemically joined, describes what?

• a compound
• an element
• a mixture

What is the chemical formula for carbon dioxide?

• C2O
• CO2
• Co₂
• CO₂

How do you separate an insoluble solid from a liquid?

• filtration
• crystallisation
• distillation
• chromatography 

How do you separate a soluble solid from a liquid?

• filtration
• crystallisation
• distillation
• chromatography 

What is paper chromatography used to separate?

• a mixtures of solids
• a mixture of solids and liquids in solution
• a mixture of 2 or more insoluble liquids
• a mixture of 2 or more soluble substances in solution