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Chemistry

Published on Nov 27, 2015

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PRESENTATION OUTLINE

1.

DESCRIPTION AND TRAITS OF SOLIDS

  • Particles are tightly packed
  • Retain a fixed volume and shape
  • Not easily compressible
  • Does not flow easily
Photo by ruralgold
2.

DESCRIPTION AND TRAITS OF LIQUIDS

  • Particles move close together
  • Particles vibrate, move about, and slide past each other
  • Takes shape of container
  • Flows easily
Photo by Chris Nuzzaco
3.

DESCRIPTION AND TRAITS OF GAS

  • Particles are separated and move freely
  • Compressible
  • Flows very easily
  • Particles move at high speeds
Photo by D.H. Parks
4.

DESCRIPTION AND TRAITS OF PLASMA

  • A hot ionized gas consisting of equal number of positive and negative electrons
  • Strongly influenced by eleteic and magnetic fields
  • Electrons are free to move around the system
Photo by Vince O'Sullivan
5.

EXAMPLES OF SOLIDS

  • Wood
  • Rock
  • Brick
  • An apple
6.

EXAMPLES OF A LIQUID

  • Water
  • Milk
  • Blood
  • Tea
7.

EXAMPLES OF GASES

  • Oxygen
  • Nitrogen
  • Heluim
  • Carbon dioxide
Photo by D.H. Parks
8.

Examples of plasma

  • Fluorescent lamps
  • The sun
  • Neon signs
  • Welding arcs
9.

ELEMENT EXAMPLES

  • Hydrogen
  • Neon
10.

HYDROGEN PROPERTIES

  • Physical
  • -odorless and colorless
  • Chemical
  • -Not very reactive and burns
11.

NEON PROPERTIES

  • Physical
  • -Colorless and odorless
  • Chemical
  • -chemically inactive and very nonreactive
12.

EXAMPLES OF COMPOUNDS

  • Copper
  • Aluminum
13.

PROPERTIES OF COPPER

  • Physical
  • -brownish and tough
  • Chemical
  • Burns and highly reactive
14.

PROPERTIES OF ALUMINUM

  • Physical
  • -shinny and silver
  • Chemical
  • -does not burn and not very reactive
15.

EXAMPLES OF HETEROGENEOUS MIXTURES

  • Trail mix
  • Sand
16.

EXAMPLES OF HOMOGENOUS MIXTURES

  • Tea
  • Coffee
17.

EXAMPLES OF PURE SUBSTANCES

  • Table salt
  • Diamond

Molly Robb