Pure Substance or Mixture?

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compound

element, compound, mixture: sulfuric acid (H2 S O4)

element

element or compound: H

element

element or compound: He

mixture

element, compound, mixture: Bronze

mixture

element, compound, mixture: garbage

element

element, compound, mixture: krypton (K)

mixture

element, compound, mixture: milk

homogenous

A uniform or well mixed pure substance or mixture is called __________.

periodic table

Elements are organized on what type of a table?

heterogeneous

Mixtures that are poorly mixed are called ________.

chemically

chemically or physically: A mixture is never ________ combined.

compound

element or compound: C6 H12 O6

compound

element or compound: CO2

mixture

pure substance or mixture: This has varying amounts of substances in them and no set composition.

pure substance

pure substance or mixture: This is made of one element or compound and has a definite chemical composition.

true

true or false: An element and a compound are considered pure substances.

true

true or false: Elements and Compounds are considered pure substances.

true

true or false: Homogenous mixtures are mistaken for pure substances because of the uniformity within the substance.

true

true or false: Pure substances are always homogenous.

false

true or false: Pure substances can be separated by chemical and physical means.


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