Matter Quiz

Matter

Anything that has mass and takes up space

Element

A pure substance made of only one type of atom

Compound

A pure substance made of 2 or more different elements chemically bonded

Mixture

2 or more substances physically mixed together and not chemically bonded

Pure substance

Matter with a fixed composition; includes elements and compounds

Impure substance

A mixture whose composition can vary

Homogeneous mixture

A mixture that is uniform throughout

Heterogeneous mixture

A mixture that is not uniform throughout

Solution

Another name for a homogeneous mixture

Element example

Fe (iron) or C (carbon)

Compound example

H₂O (water) or NaHCO₃ (baking soda)

Homogeneous mixture example

Air

Heterogeneous mixture example

Concrete or mint chocolate chip ice cream

Physical property

A characteristic that can be observed without changing the substance's identity

Chemical property

A characteristic observed when a substance changes into a new substance

Physical change

A change that does not create a new substance

Chemical change

A change that creates one or more new substances

Signs of a chemical change

Bubbles

Precipitate

An insoluble solid that forms during a chemical reaction

Solid

Has a definite shape and definite volume

Liquid

Has an indefinite shape but a definite volume

Gas

Has an indefinite shape and indefinite volume

Solid particles

Very closely packed

Liquid particles

Loosely packed and able to move past each other

Gas particles

Far apart and move chaotically

Solid density

Generally high

Liquid density

Generally medium

Gas density

Generally very low

Matter classification

Matter → pure substance or mixture

Pure substance classification

Pure substance → element or compound

Mixture classification

Mixture → homogeneous or heterogeneous

Homogeneous meaning

Uniform throughout

Heterogeneous meaning

Not uniform throughout

How to identify an element

Its symbol is found on the periodic table

How to identify a compound

It contains 2 or more different elements chemically bonded

How to identify a mixture

Substances are physically combined and can be separated physically