Matter
Elements
Compounds
Physical Change
Mixtures & Solutions
100

The three states of matter.

What are solids, liquids, and gasses?

100

Smallest particle of an element that has all the properties of that element.

What is an atom?

100

Kind of change during which compounds are formed.  (Example: Rust)

What is a chemical change?
100

Point at which matter changes from a solid to a liquid.

What is melting point?

100

Substance in which a solute is dissolved.

What is a solvent?

200

Matter that has no definite shape or volume.

What are gasses?

200

Equal to the number of protons in an atom; found on Periodic Table.

What is Atomic Number?
200

Group of symbols that represent a compound?

What is a chemical formula?

200

Point at which a liquid changes to a gas.

What is boiling point?

200

The amount of solute that can be dissolved in an amount of solvent.

What is solubility?

300

Matter that has a definite volume but no definite shape.

What are liquids?

300

Region around the nucleus of an atom occupied by electrons.

What is an Electron Cloud?

300

Formed when 2 or more atoms bond by sharing electrons.

What is a molecule?

300

Point at which a liquid changes to a solid.

What is freezing point?

300

When all solute a solution can hold is dissolved.

What is a saturated solution?

400

Matter in which molecules are packed tightly together and move only slightly.

What are solids?

400

Elements with 5 or more electrons in the outer energy level.

What are metals?

400

Charged particle resulting when an atom loses one or more electrons.

What is an ion?

400

A change of matter from a vapor to a liquid.

What is condensation?

400

Mixture in which substances are not spread out evenly. (Example: trail mix)

What is heterogeneous?

500
Property of liquid that describes how it pours.

What is viscosity?

500

The simplest element.

What is hydrogen?
500

A common compound with 2 hydrogen and 2 oxygen atoms.

What is hydrogen peroxide?

500

A change of matter from liquid to gas without boiling.

What is evaporation?

500

An insoluble solid in a liquid.

What is suspension?