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Do Now:

Do Now:. Creative Assignment You are a CATION You are writing to an ANION Write a short Love Note about the topic: “Let’s bond together” Email to ddavis@scischina.org You have 5 minutes!!!!!. HAVE YOUR HW OUT ON YOUR DESK!. Trade Papers and Check. Check Answers.

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Do Now:

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  1. Do Now: • Creative Assignment • You are a CATION • You are writing to an ANION • Write a short Love Note about the topic: “Let’s bond together” Email to ddavis@scischina.org You have 5 minutes!!!!! HAVE YOUR HW OUT ON YOUR DESK!

  2. Trade Papers and Check

  3. Check Answers

  4. Steps to NAMING ionic compound: • Name the cation • Name the anion and change the ending to “ide” • Group 17: ine  ide • Oxide • Sulfide • Selenide • Phosphide • Silicide • nitride • hydride 3. Add (roman numeral) if the cation is a transition metal

  5. Steps: • Name the cation • Name the anion and change the ending to “ide” • Group 17: ine  ide • Oxide • Sulfide • Selenide • Phosphide 3. Add (roman numeral) if transition metal Naming Ionic CompoundsExamples: • Calcium and Bromine 2. MgS

  6. Try #1-4 on Ionic Formulas HW

  7. Steps: • Name the cation • Name the anion and change the ending to “ide” • Group 17: ine  ide • Oxide • Sulfide • Selenide • Phosphide 3. Add (roman numeral) if transition metal Naming Ionic Compoundsw/ Transitional MetalsExamples: **Work Backwards** • FeO 2. CrBr3

  8. 3. NiI3 1. Pb3N2 2. CdBr2 Name the following in your notebook: Then TRY #12-14 from formula HW

  9. Steps to NAME an ionic compound with Polyatomic Ions: • Name cation (or ammonium  only “+” p.i.) • Name polyatomic ion *** DO NOT CHANGE ANYTHING*** Example: Mg(NO3)2

  10. Molecular / Covalent Compounds • A compound that is composed of 2 or more non-metals • How to recognize an molecular/covalent compound … • Anion and anion • Nonmetal and nonmetal • - and -

  11. Steps to NAMING a covalent compound : • Name the first element in formula • Name second element in the formula and change endings to “ide” • Add prefixes before each element name (according to the subscripts) • EXCEPTION  never use mono for the 1st element

  12. Prefixes to MEMORIZE

  13. Naming Covalent CompoundsExamples: Steps: • Name first element in formula • Name second element and change endings to “ide” • Add prefixes (according to how many there are) • EXCEPTION  never use mono for the 1st element • CO2 2.N3F8

  14. Try #9-11on Naming Covalent Compounds Worksheet

  15. Steps to Write the Formula for a covalent compound : • Write the symbol for the first element in the compound. • Write the formula for the second element in the formula. • Add the prefixes as subscripts for each element. • NO REDUCING • NO CHARGES Ex 1: Carbon Monoxide Ex 2: Diphosphorus tetrachloride

  16. HW

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