Nuclear structure and fundamental forces in the nucleus

What is true of the force of gravity?

• It attracts only

• It repels only

• It can attract and repel.

What is true of the electromagnetic force?

• It attracts only

• It repels only

• It can attract and repel.

What is true of the (strong) nuclear force?

• It attracts only

• it repels only

• It can attract and repel.

In the nucleus, which is the strongest force?

• Nuclear force

• Electromagnetic force

• Gravity

In the nucleus, which is the weakest force?

• Nuclear force

• Electromagnetic force

• Gravity

Which forces repel?

• Positive and neutral

• neutral and neutral

• positive and positive

Which particles are positive in the nucleus?

• protons

• neutrons

Which particles are responsible for the mass of the atom?

• protons

• protons + neutrons

• neutrons

Which particle(s) determine(s) the identity of the element?

• protons only

• neutrons only

• protons and neutrons together

If an atom has 5 protons and 6 neutrons, what is its atomic number?

• 5

• 6

• 11