Y9 - The Atom - 1. Subatomic Particles

Which subatomic particles are found in the nucleus of the atom?

• protons

• electrons

• neutrons

• shells

Which type of subatomic particle is found in shells?

• protons

• neutrons

• electrons

• nucleus

What is the charge on a proton?

• +1

• -1

• 0

• 1

What is the mass of a neutron?

• +1

• -1

• 1

• 0

What is the charge on an electron?

• +1

• -1

• 1

• 0

What is the mass of an electron?

• -1

• 1

• 0

• 1/1840

What does the atomic number of an atom tell us?

• the number of electrons

• the number of protons

• the number of neutrons

• the number of protons plus neutrons

What does the mass number of an atom tell us?

• the number of protons plus electrons

• the number of protons

• the number of neutrons plus electrons

• the number of protons plus neutrons

All atoms of the same element will have the same........

• atomic number

• mass number

• number of neutrons

How can we work out the number of neutrons in an atom?

• atomic number minus mass number

• atomic number plus mass number

• mass number minus atomic number

• mass number plus atomic number