Electricity Review

The atom is made of

• protons

• neutrons

• electrons

• All of the above

Protons have

• positive charge

• negative charge

• neutral charge

• no charge

Electrons have

• positive charge

• negative charge

• neutral charge

• no charge

A proton and electron will __________________ when they are free to move.

• move towards each other at constant speed

• accelerate towards each other

• accelerate away from each other

• not exert a force on each other

A proton and a neutron will

• attract

• repel

• do nothing

The force between two electrons is

• attractive

• repulsive

• there is no electric force

Electrical forces can

• attract charges

• repel charges

• either attract or repel charges

The attractive and repelling behavior of charges is called

• force

• voltage

• electrical charge

• current

Two protons are a distance r from each other. Without other forces, the protons will

• be attracted together.

• accelerate in opposite directions.

• stay in place.

An atom with an equal number of protons and electrons is considered

• unbalanced.

• positively charged.

• negatively charged.

• neutral.