Development of modern atomic theory

All matter is made of

• Atoms

• Elements

• Compounds

• Stuff

The difference between a solid and a gas is that

• Solids have tightly packed atoms, gases don't

• Gases have tightly packed atoms, solids don't

• Gases have atoms, solids don't

• Solids have atoms, gases don't

How many subatomic particles are there?

• 1

• 2

• 3

• 4

The three subatomic particles are:

• Protons, neutrons, electrons

• Protons, neutrals, electrons

• Protons, neutrons, electricity

• Positive, neutral, negative

Protons have a ________ charge

Neutrons have a ______ charge

Electrons have a _______ charge

Which subatomic particle/s is located in the nucleus of an atom?

Can be more than once answer

• Proton

• Neutron

• Electron

Which subatomic particle/s is located outside the nucleus of an atom?

Can be more than once answer

• Proton

• Neutron

• Electron

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron