Types of matter
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Types of Matter. Element Pure substance One kind of atom Smallest particle of matter that maintains chemical identity Represented by one or two letter symbol Example: Helium ( He ) “LIST OF ELEMENT YOU SHOULD KNOW”. Episode 202.

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Types of Matter

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Types of matter

Types of Matter

  • Element

    • Pure substance

    • One kind of atom

      • Smallest particle of matter that maintains chemical identity

    • Represented by one or two letter symbol

    • Example: Helium (He)

  • “LIST OF ELEMENT YOU SHOULD KNOW”

Episode 202


Types of matter

http://www.youtube.com/watch?v=5PVCC_vp54I&feature=related

  • Compound

    • Two or more elements chemically combined (bonded)

    • Represented by chemical formula

    • Example: water (H2O)

    • H2O decomposes into hydrogen gas and oxygen gas

    • Combine in same proportion

      • H2O always contains 2 atoms of hydrogen and 1 atom of oxygen

Episode 202


Types of matter

  • Mixture

    • Two or more substances physically combined

    • Separated by physical means

    • Do not combine in same proportions

    • Heterogeneous mixture

      • Not uniform in composition

    • Homogeneous mixture (solution)

      • Uniform compostion

    • Alloy

      • Solution of two or more metals

  • Pure substances (elements and compounds) are homogeneous

Episode 202


Types of matter

  • Hydrogen peroxide

  • Carbon dioxide

  • Pizza

  • Salad dressing

  • Rust

  • Apple juice

E

C

  • Carbon

  • Carbon monoxide

  • Steel

  • Calcium

  • Lead

  • Milk

C

C

S

HE

HE

E

C

E

S

HE

Episode 202


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