Today is September 27, 2013 Get your notebook off the shelf and finish the questions from our Molecule Activity on Page 23. Make sure everything is glued in and DONE in your notebook. You have a notebook check today. You also have a quiz today! So if your done, review your Reading and Graphic Organizer to study for this quiz. You need to know: What’s a mixture? What’s a compound? What‘s a element? What’s a molecule?
Elements Pure substance that cannot be separated into simpler substance by physical or chemical means. Only has ONE CAPITAL LETTER
Compounds Pure substance composed of two or more different elements joined by chemical bonds. – Has a chemical formula – Can only be separated by chemical means, not physically – Compounds have their own physical and chemical properties that are different from other substances – The Chemical formula has TWO OR MORE CAPITAL LETTERS.
Mixtures A combination of two or more pure substances that are not chemically combined. substances held together by physical forces, not chemical No chemical change takes place Each item retains its properties in the mixture They can be separated physically Chem4kids.com
Element, Compound, or Mixture? Cereal
Element, Compound, or Mixture? Cereal
Element, Compound, or Mixture? Copper
Element, Compound, or Mixture? Copper
Element, Compound, or Mixture? Jelly Beans
Element, Compound, or Mixture? Jelly Beans
Element, Compound, or Mixture? Table Sugar
Element, Compound, or Mixture? Table Sugar
Element, Compound, or Mixture? Diamond
Element, Compound, or Mixture? Diamond
Element, Compound, or Mixture? Tea
Element, Compound, or Mixture? Tea
Element, Compound, or Mixture? Salt
Element, Compound, or Mixture? Salt
Element, Compound, or Mixture? Neon Gas
Element, Compound, or Mixture? Neon Gas
Element, Compound, or Mixture? Salad
Element, Compound, or Mixture? Salad
Element, Compound, or Mixture? Pure Water
Element, Compound, or Mixture? Pure Water
Element, Compound, or Mixture? Aluminum
Element, Compound, or Mixture? Aluminum
Element, Compound, or Mixture? Lemonade
Element, Compound, or Mixture? Lemonade
Element, Compound, or Mixture? Silver
Element, Compound, or Mixture? Silver
Element, Compound, or Mixture? Sand
Element, Compound, or Mixture? Sand
Element or Compound? Cl 3
Element or Compound? Cl 3
Element or Compound? NH 3
Element or Compound? NH 3
Element or Compound? CH 4
Element or Compound? CH 4
Element or Compound? N4N4
N4N4
FeN 4
Element or Compound? FeN 4
CO 2 N N N N N H2OH2O H2OH2O H2OH2O H2OH2O Element, Compound, or Mixture?
CO 2 N N N N N H2OH2O H2OH2O H2OH2O H2OH2O Element, Compound, or Mixture?
Good Luck! If you finish you may read or do work from another class. If you have finished your book and have no work go to Click on the link under Listen and watch the video on fireworks. YOU MUST USE YOUR HEADPHONES!