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10 Cards in this Set

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Pure substances

Elements and/or compounds. Require a chemical process to separate.

24k gold, silver, carbon dioxide CO2, water H2O.

Mixtures

Combinations of pure substances NOT chemically bonded together. They require a physical process to separate.

Crude oil, beer, air, 14k gold

Elements

There are approximately 115 known elements in theuniverse. They combine in different combinations to form compounds.

Krypton(Kr), Carbon(C), Silver(Ag)

Compounds

Compounds have totally different physical sand chemical properties than theelements that make them up.There are millions of different Compounds throughout the world.

Salt/Sodium Chloride(NaCl)

Homogeneus mixtures

A mixture that is uniform in composition and is the same throughout. Often times referred to as"solutions."

Examples: tap water, vinegar, Gatorade, beer.

Types of solutions

Gas in gas- air.


Gas in liquid- soda.


Liquid in liquid- gasoline.


Solid in liquid- sea water.


Gas in solid- H2 in Pt.


Liquid in solid- dental fillings.


Solid in Solid- alloys.

⛽ 🌊 🌪 soda

Colloids

Homogeneus mixtures in which microscopically dispersed insoluble particles between 1 and 1,000 nm in diameter are suspended throughout another substance. Often times they scatter light in something called the Tyndall effect.

Fog, jello, milk

Heterogeneous mixtures

A mixture that is not uniform in composition and is different throughout.

Oil & vinegar, fruit salad, concrete, chex mix

Suspensions

Heterogeneous mixtures with particles that have diameters greater than 1,000 nm. Mixtures that say"shake before serving" are usually suspensions. Suspended particles over time settle to the bottom.

Muddy water, dust in the air, Nail polish

Classification of Matter diagram