Classifications of matter

Matter(in general)

-composed of atoms

-atoms=building blocks of _____?(e.g.legos)

 

 

How many different types of elements are found in nature?
90

Pure substance compound!

-substance composed of 2 or more elements which are chemically combined fixed proportions.

 -more than 24million of these!

-represented by chemical formulas

-Ex: table salt:(NaC1), ammonia(Nh3),and baking soda. 

Mixture
Blend of 2 or more substances together.
Homogeneous mixture

-particles are uniformerly mingled with particles of water.

-aka solutions

 

Sollute
-disolved substance
Solvent
Dissolving agent
heterogeneous mixture

-colloid

-medium sized particles

-particles dont settle

-ex: milk, fog, mayonnaise

suspension

-large particles

-particles settle

x

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