Atomic Theory

What is the name of the fundamental particles that make up all matter?

• Midichlorians

• Atoms

• Daleks

• Bacteria

What subatomic particle has no charge?

• Proton

• Neutron

• Electron

• Photon

What sub atomic particle exists outside the nucleus, orbiting around the atom in shells?

• Proton

• Neutron

• Electron

Where do the protons exist in an atom?

• Orbiting the atom in shells

• Spaced evenly around the atom

• Concentrated in the centre (nucleus) of the atom

• There's no such thing as a proton

What determines which element (what kind of stuff) an atom is?

• Number of protons

• Number of neutrons

• Number of electrons

• How fast it is moving

Hydrogen is the first element on the periodic table. How many protons are in a Hydrogen atom?

• Could be any number

• 1

• 2

• 0

Silver is the 47th element on the periodic table. How many protons does silver have?

• 47

• 101

• 1

• Could be any number!

This is a small piece of the periodic table. How many protons are in a Lithium atom?

• 1

• 3

• 4

• 12

How did Thompson discover the electron?

• Rubbed a balloon on his hair

• Bombarded a thin gold sheet with alpha particles

• Was able to run electricity through a tube with no mass

• Found that gas rushes to fill a vacuum

How did Rutherford discover atoms are mostly empty space?

• Rubbed a balloon on his hair

• Bombarded a thin gold sheet with alpha particles

• Was able to run electricity through a tube with no mass

• Found that gas rushes to fill a vacuum