Physical Science Unit 1 Review

Substance that cannot be broken down by other substances by heat, light, or electricity.

• nucleus
• atom
• periodic table
• element

The center of an atom, where protons and neutrons are located.

• nucleus
• atom
• periodic table
• element

Particle in an atom that has no charge

• proton
• atom
• neutron
• electron

Particle in an atom that has a negative electrical charge

• proton
• atom
• neutron
• electron

Scientist who made a chart of the elements

• Mendeleev
• Atoms
• Matter
• Periodic table

a tiny particle of matter

• Mendeleev
• Atoms
• Matter
• Periodic table

Anything that has mass and takes up space

• Mendeleev
• Atoms
• Matter
• Periodic table

A chart that classifies elements

• Mendeleev
• Atoms
• Matter
• Periodic table

Air is a mixture of several different kinds of molecules

• True
• False

The tiniest bit of water that still is water is a molecule of water

• True
• False