Atoms and Elements Quiz Review

What is the smallest piece of matter called?

• nucleus

• atom

• proton

• molecule

______ is the center of an atom.

• Nucleus

• Electron

• Electron cloud

• Molecule

Neutrons are found in the center of an atom and they have a negative charge.

• True

• False

The atomic symbol of an atom always has two letters.

• True

• False

Electrons are negatively-charged particles that are found orbiting the nucleus.

• True

• False

Electrons orbit the nucleus is a predictable path.

• True

• False

These are found listed on the periodic table.

• Elements

• Molecules

• Nucleus

• Temperatures

Protons are positively-charged particles that are found in the nucleus.

• True

• False

The particles found in a solid are spread apart and moving fast and freely.

• True

• False

The particles found in a liquid are spread apart and moving very quickly and freely.

• True

• False