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Types of Matter. Unit 2-2. Types of Matter. Element Pure substance One kind of atom “ LIST OF ELEMENT YOU SHOULD KNOW”. Episode 202. Types of Matter. Element- smallest particle of matter that maintains chemical identity. Represented by one of two letter symbol Ex. Helium (He).

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Presentation Transcript
types of matter1
Types of Matter
  • Element
    • Pure substance
    • One kind of atom
  • “LIST OF ELEMENT YOU SHOULD KNOW”

Episode 202

types of matter2
Types of Matter
  • Element- smallest particle of matter that maintains chemical identity.
  • Represented by one of two letter symbol
  • Ex. Helium (He)
slide4

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)

Episode 202

compound
Compound
  • H20 decomposes into hydrogen gas and oxygen gas.
  • Combine in same proportion
  • H20 always contains 2 atoms of hydrogen & 1 atom of oxygen
slide6

Mixture

    • Two or more substances physically combined
    • Separated by physical means
    • Do not combine in same proportions

Episode 202

heterogenous mixture
Heterogenous Mixture
  • Heterogenous Mixture
    • Not uniform in composition
homogenous mixture
Homogenous Mixture
  • Homogenous Mixture (aka: solution)
    • Uniform in composition
  • Pure substances (elements and compounds) are homogenous
  • Alloys are 2 metals that form solutions
slide9

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