Matter: Lesson 2 and 3 Review

A substance made up of atoms of more than one element joined together in a molecule.

• Compound

• Mixture

• Solution

• Molecule

Two or more atoms joined together; the smallest unit of many substances

• Compound

• Solution

• Mixture

• Molecule

 A mixture in which substances break into their most basic particles, which are too small to be seen, and spread evenly throughout another substance.

• Mixture

• Solution

• Compound

• Molecule

Two or more substances that are mixed together, but can be separated out because their atoms are not combined

• Compound

• Mixture

• Molecule

• Solution

When one substance dissolves into another.

• Compound

• Mixture

• Density

• Solution

Combination of two or more different kinds of substances that keep their own physical properties and can be easily separated.

• Solution

• Mixture

• Solubility

• Miscibility

Which one of the following would you use to separate sand from iron filings?

• a magnet

• filter paper

• hot plate

• strainer

H₂0 is a ____________, whereas hydrogen is an _____________.

• atom; gas

• liquid; compound

• compound; atom

• atom; compound

Are these molecules also compounds?

• Molecules

• Compounds

Methane : CH₄ is a molecule and a compound.

• True

• False