Electrostatics & Coulomb's Law Review

Where are protons, neutrons, and electrons located in an atom?

• Protons outside nucleus, neutrons, electrons in nucleus

• Protons, neutrons in the nucleus, electrons outside nucleus

• Protons, electrons and neutrons outside the nucleus

Protons have a ______ charge

• negative

• neutral

• positive

Electrons have a ______ charge

• Negative

• Positive

• Neutral

• Either

Atoms become charged when they gain or lose electrons

• True

• False

Rubbing a balloon on a person's head is an example of ________.

• Charging by induction

• Charging by conduction

• Charging by attraction

• Charging by friction

Like charges ______ and opposite charges ______.

• attract, repel

• attract, attract

• repel, repel

• repel, attract

Electrons move easily in good _____ and poorly in good _____.

• insulators, conductors

• conductors, insulators

The picture shows an example of what type of charging?

• conduction

• induction

• friction

• attraction

What kinds of objects can be charged by induction?

• conductors & insulators

• conductors only

• insulators only

Which of the following best describes what electric charge is?

• it's how much a substance can react electrically

• it's how many electrons each atom has

• it's the flow of electrons

• it's how much mass an electron has