2.1a What is Electricity C4U

How many subatomic particles make up an atom?

List the subatomic particles that make up an atom.

Conventional Current flows...?

• Positive to Negative

• Negative to positive

Electrons flow...?

• Positive to Negative

• Negative to positive

What is electricity?

When a valence electron leaves an atom the atom becomes charged...?

• Positively

• Negatively

• Neutrally

Like charges......

• Repel

• Attract

• Have no effect on each other

unlike charges......

• Repel

• Attract

• Have no effect on each other

What is the sign of the charge on an electron?

What is the sign of the charge on a proton?