Review Quiz

The picture shows a model of a lithium and helium atom. Which of the following statements is true about the lithium and helium atoms?

• Helium has more protons, neutrons, and electrons.

• Lithium has more protons, neutrons, and electrons.

• There is no difference in the number of protons, neutrons, and electrons of the atoms.

• Lithium is much smaller than helium.

What does the nucleus of an atom contain?

• electrons & neutrons

• DNA and cytoplasm

• Protons & neutrons

• Protons & electrons

Identify the part of the atom that the arrow is pointing to.

• electron

• proton

• neutron

• molecule

What is the charge of an electron?

• Positive

• Negative

• Neutral

Look at the image above. Which of the following is pointing at the electrons?

• Box A

• Box B

• Box C

• Answer not shown

Look at the image above. Which of the following is pointing at the neutrons?

• Box A

• Box B

• Box C

• Answer not shown

Look at the image above. Which of the following is pointing at the electrons?

• Box A

• Box B

• Box C

• Answer not shown

Atoms are made up of ________.

• energy

• electrons

• subatomic particles

• gasses

Which subatomic particles are found in the nucleus?

• Protons and nucleus.

• Protons and neutrons.

• Protons and electrons.

• Neutrons and electrons.

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons