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Science Says… …Can Music Improve Athletic Performance?

Science Says… …Can Music Improve Athletic Performance? . http:// www.cbc.ca/sochi2014/sciencesays/video/can-music-improve-athletic-performance. Polyatomic Ions and Compounds . Warm Up – Ionic Compounds. Success Criteria for Ionic Compounds sheet. Learning Goals.

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Science Says… …Can Music Improve Athletic Performance?

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  1. Science Says……Can Music Improve Athletic Performance? • http://www.cbc.ca/sochi2014/sciencesays/video/can-music-improve-athletic-performance

  2. Polyatomic Ions and Compounds

  3. Warm Up – Ionic Compounds Success Criteria for Ionic Compounds sheet

  4. Learning Goals • By the end of class, I will be able to: • Identify polyatomic ions • Write the formulas for polyatomic ions • Name polyatomic ionic compounds

  5. Polyatomic Ions • a group of atoms, usually of different elements, that act as a single ion. • Most have a negative charge, except for ammonium • Most end in “ate” or “ite”

  6. Writing Formulas for Polyatomic ions We use the same rules when placing a polyatomic ion into a formula. The only difference is that we keep the polyatomic ion in brackets unless we only need one polyatomic ion to make the compound – we do not change ANYTHING inside the brackets. Eg: Aluminum Hydroxide 3+ 1- Al OH Al(OH)3 Eg: Sodium and phosphate 1+ 3- Na PO4 Na3PO4

  7. WritingPolyatomic Compounds

  8. Naming Polyatomic Compounds The following are examples of names of polyatomic ions. Attempt to figure out the rules for naming compounds containing a polyatomic ion. The name for the compound between calcium and carbonate is “Calcium carbonate” The name for the compound between magnesium and hydroxide is “Magnesium hydroxide” The name for the compound between ammonium and nitrate is “Ammonium nitrate”

  9. Naming Polyatomic Ionic Compounds Eg: LiHCO3 • Name the metal ion (or ammonium ion) first. • Li is Lithium • Name the polyatomic ion. • HCO3 is Hydrogen carbonate • 3. Do not change the ending of the polyatomic ion! • Lithium hydrogen carbonate

  10. Naming PolyatomicCompounds

  11. Practice • Worksheet • Textbook questions (in weekly outline)

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