Atomic Structure Quiz

Where are protons and neutrons found in an atom?

• In the orbits

• In the nucleus

• In the electron cloud

• In the outer shell

What type of electric charge do electrons carry?

• Positive

• Negative

• Neutral

• Both positive and negative

Why is it impossible to draw an accurate scale diagram of an atom?

• Because atoms are too small

• Because the distances and sizes are not to scale

• Because electrons are invisible

• Because protons and neutrons are too large

What is the charge of protons in the nucleus?

• Negative

• Positive

• Neutral

• Variable

Which of the following best describes the movement of electrons around the nucleus?

• Electrons move in straight lines

• Electrons move in orbits

• Electrons move randomly

• Electrons do not move

How many different types of atoms have been identified so far?

• 92

• 118

• 150

• 200

What is the smallest atom?

• Helium

• Oxygen

• Hydrogen

• Carbon

How many neutrons does the largest naturally occurring atom have in its nucleus?

• 92

• 118

• 146

• 200

What is the only atom without a neutron?

• Helium

• Oxygen

• Hydrogen

• Carbon

Which of the following is NOT one of the first three quarks named by Gell-Mann?

• Up

• Down

• Strange

• Charm