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Types of Matter

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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Types of Matter

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  1. Types of Matter Unit 2-2

  2. Types of Matter • Element • Pure substance • One kind of atom • “LIST OF ELEMENT YOU SHOULD KNOW” Episode 202

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

  4. 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

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

  6. Mixture • Two or more substances physically combined • Separated by physical means • Do not combine in same proportions Episode 202

  7. Heterogenous Mixture • Heterogenous Mixture • Not uniform in composition

  8. Homogenous Mixture • Homogenous Mixture (aka: solution) • Uniform in composition • Pure substances (elements and compounds) are homogenous • Alloys are 2 metals that form solutions

  9. 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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