Electricity - ps

This is a physical property of particles or objects that causes them to attract or repel each other without touching.

• electric charge

• electric field

• force field

• ions

All electric charges are based on the number of these in atoms.

• electrons

• neutrons

• nucleus

• protons

What charge does a proton have?

• positive

• negative

What part of the atom has a positive charge?

• proton

• neutron

• nucleus

• electron

What charge does an electron have?

• negative

• positive

What part of an atom has a negative charge?

• electron

• proton

• neutron

• nucleus

The symbol used for positive.

• +

• -

This symbol + means what?

• positive

• negative

Part of the atom located in the nucleus.

• protons

• electrons

What is the symbol for negative?

• -

• +