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Homogeneous mixture

Published on Nov 19, 2015

Chemistry unti 1

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PRESENTATION OUTLINE

1.

Homogeneous mixture

Constant and same throughout
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2.

Heterogeneous mixture

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3.

element

  • Pure substance cannot be separated into simpler
  • substances by physical or chemical means
  • symbols on a periodic table
Pure substance cannot be separated into simpler substances by physical or chemical means
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4.

physical property

observe without chemically changing the substance
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5.

compound

  • made up of 2 or more elements combined chemically
  • most matter is a compound
  • to separate a compound a chemical reaction must occur
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6.

physical change

alter substance w/out changing composition
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7.

chemical property

observed substance chemically changed
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8.

chemical change

  • one or ,ore substances change to create
  • a new substance with new or different properties
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