Front

A positive charge and a negative charge will

Back

attract

Front

A positive charge and a positive charge will

Back

repel

Front

A negative charge and a negative charge will

Back

repel

Front

A negative charge and a positive charge will

Back

attract

Front

The center of an atom is called the

Back

nucleus

Front

Have a positive charge

Back

protons

Front

Have a negative electrical charge

Back

electrons

Front

Have no electrical charge

Back

neutrons

Front

Occurs when you rub two things together

Back

friction

Front

Opposite charges

Back

attract