Electrostatics Quiz

Just as "gravity" is the study of a wide range of gravitational interactions, "electricity" is the study of a wide range of

• electrical charges.

• electrical forces.

• electrical interactions.

• none of the above.

Electrostatics is a branch of electricity that focuses on

• electrical charge.

• electrical force.

• both of these when static.

• none of the above.

The force that binds atoms together to form molecules is

• gravitational.

• nuclear.

• electrical.

• centripetal.

• none of the above.

The fundamental force underlying all chemical reactions is

• gravitational.

• nuclear.

• centripetal.

• electrical.

• none of the above.

A fundamental rule of electricity is that

• like kinds of charges repel.

• unlike kinds of charges attract.

• both of these

• neither of these

An electron and a proton

• attract each other.

• repel each other.

• neither attract nor repel each other.

The vast numbers of electrons in a coin don't fly off the surface because

• mutual repulsion is incomplete.

• they are attracted by an equal number of protons.

• they are strongly bonded to their atoms.

• all of the above

• none of the above

The pair of protons in the nucleus of a helium atom

• attract a pair of orbiting electrons.

• repel orbiting electrons.

• both of these

• neither of these

In an electrically neutral atom the number of protons in the nucleus is equal to the number of

• electrons that surround the nucleus.

• neutrons in the nucleus.

• both electrons and neutrons.

• none of the above

Which of these does NOT have an electrical charge?

• proton

• electron

• neutron

• all of the above

• none of the above