composition of matter
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Composition of Matter. All matter is made up of atoms. Elements - when all the atoms in the matter are the same. There are 118 elements. Ex: Carbon and Oxygen. Compounds. Compounds - matter that is made up of 2 or more combined elements.

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Presentation Transcript
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All matter is made up of atoms.

Elements- when all the atoms in the matter are the same.

There are 118 elements.

Ex: Carbon and Oxygen

compounds
Compounds
  • Compounds- matter that is made up of 2 or more combined elements.
  • Compounds look different than the elements that make them up.
compound ex
Compound Ex:
  • Ex: H & O = H2O

C & O = CO2

C,H & O = C6H12O6

substance
Substance
  • Substance- matter that is either an element or a compound.
mixture
Mixture
  • Mixture- material that is made up of 2 or more substances that can be separated physically.
2 types of mixtures
2 Types of Mixtures
  • Heterogeneous
  • Homogeneous
heterogeneous mixtures
Heterogeneous Mixtures
  • Heterogeneous Mixture- mixture that is unevenly mixed.
  • You can see the stuff in the mixture.
homogeneous mixture
Homogeneous Mixture
  • Homogeneous Mixture- mixture that is evenly (uniformly) mixed.
  • Homogeneous Mixtures are also called solutions.
colloid
Colloid
  • Colloid- a heterogeneous mixture that never settles.
  • Ex: milk or fog
suspension
Suspension
  • Suspension- heterogeneous mixture that contains a liquid where visible particles settle.
tyndall effect
Tyndall Effect
  • Tyndall Effect- the scattering of light by particles in a mixture.
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