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#3 Mixtures ,atom,element,compound,molecule,mixture

Published on Dec 21, 2015

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1.

Mixture: physical combination of 2 or more substances

Heterogeneous:different Homogeneous:same➡️Solutions

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2.

Differences in physical properties allow mixtures to be separated

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3.

Separation of mixtures

  • Filtration: separate solid from liquid (coffee filter)
  • Distillation: separates liquids (Boiling-evaporation/condensation)
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4.

Atom:smallest unit of matter
Element:one type of atom
Molecule:when 2 or more SAME element bond (H2, N2, O2) chemical
Compound:2 or more DIFFERENT elements bond (CO2, H2O) chemical

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Marybeth Mineo