Chemistry quiz types of matter and phase change

Pure substance

uniform substances with unchanging composition

Compound

pure substance made of two or more atoms of different elements joined by chemical bonds

Element

pure substance that cant be broken down, made of 1 type of atom

mixture 

combination of tow or more chemical substances while retaining its respective individual chemical properties. can be homogenous or heterogenous

Element examples

Gold, Oxygen, Carbon, Iron , Hellium

Compound examples

Water, Sodium Chloride, chlorine

Mixture examples

blood, sucrose, dirt, ocean water, brass, air, bread, granite

Extensive property

properties which depend on the AMOUNT of substance present (mass, length, volume)

Intensive property

properties which do NOT depend on the amount of substance present (color, ordor hardness, density)

Sublimation

Solid to Gas

Deposition

Gas to Solid

Condensation

Gas to Liquid

evaporation

liquid to gas

Supercritical substance  

substance existing at a temperature and pressure above its critical point, where distinct liquid and gas phases cease to exist, creating a single, fluid phase with properties of both