They are not positive and negative charges of any sort.

The man had such a negative charge he was like an energy hole.

What was the source of the positive and negative charges?

All the matter in the world is made of tiny positive and negative charges.

That is, they have neither a positive nor a negative charge.

He also found that this did not happen if the sphere had a negative charge.

The positive ends point toward the plate with the negative charge.

Take note that the negative charge of the target doesn't disappear.

This does not mean that individual positive and negative charges cannot be created or destroyed.

A large body, such as the earth or the sun, contains nearly equal numbers of positive and negative charges.

The third Mg is used to stabilize the negative charge on the leaving group.

But to be considered an ion, they must carry a positive or negative charge.

It is a matter of positive and negative charges.

The latitude effect, in itself, did not distinguish between positive and negative charges.

What you get is an area of positive and negative charges that eventually neutralize each other.

This flow of electrons, or a negative charge, is what we call electricity.

In everyday situations, positive and negative charges are usually balanced out.

It is highly flexible and polar because of its negative charges.

A negative charge causes a different color to appear.

Each of these atoms has a strong negative charge.

These holes can be viewed as electrons with a positive instead of a negative charge.

Since only the negative charge is moving in the wire, it will be very much affected by a magnetic field.

Electric field lines begin on positive and end on negative charges.

The negative charge is spread likewise between the oxygen atoms.

If a negative charge is put at that point, it will be pushed in the exact opposite direction.