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Pure Substances & Mixtures

Pure Substances & Mixtures. Chapter 4. Mixtures or pure substances? Matter Properties Mixture Heterogeneous Homogeneous. Questions on page 106. 5 properties Water- wet, pours, tasteless, clear, liquid, boils=100degrees Celsius Glass- smooth, translucent, fluid, melts, reshape

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Pure Substances & Mixtures

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  1. Pure Substances & Mixtures

  2. Chapter 4 Mixtures or pure substances? • Matter • Properties • Mixture • Heterogeneous • Homogeneous

  3. Questions on page 106 • 5 properties Water- wet, pours, tasteless, clear, liquid, boils=100degrees Celsius Glass- smooth, translucent, fluid, melts, reshape Steel-smooth, conducts electricity, heavy, high melting point

  4. Questions on page 106 2. Differences Homogeneous – 1 set of properties Heterogeneous – more than 1 set of properties

  5. Questions on page 106 3. Class Materials • Heterogeneous – soil, light bulb • Homogeneous – steel, copper wire, plastic

  6. Questions on page 106. 4. a. color, shape, b. Heterogeneous- more than 1 set of properties.

  7. Matter Heterogeneous Homogeneous solutions Pure substances

  8. Particle Theory of Matter (5) Explains why different types of matter have different properties. • All matter is made up of extremely small • particles. • Each pure substance has its own type of • particle.

  9. Particle Theory of Matter All matter is made of unique particles. Particles are very small. Particle are always moving. Particles attract each other. Particles at higher temperatures move faster.

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