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Ionic or Covalent. Ionic Compounds Bonds formed between a metal and a nonmetal cation (+) and anion (-) The anion can be an element: fluoride, chloride,

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Presentation on theme: "Ionic or Covalent. Ionic Compounds Bonds formed between a metal and a nonmetal cation (+) and anion (-) The anion can be an element: fluoride, chloride,"— Presentation transcript:

1 Ionic or Covalent

2 Ionic Compounds Bonds formed between a metal and a nonmetal cation (+) and anion (-) The anion can be an element: fluoride, chloride, sulfide, nitride, iodide, etc F 1- Cl 1- S 2- N 3- I 1- Or it could be a polyatomic: Sulfate SO 4 2-, nitrate NO 3 1-

3 Charges by tall group # Memorize these. Column# Charge * ** * varies: shares or loses ** Noble gases do not form ions Named using “criss-cross” method

4 Animation of Ionic CompoundAnimation of Ionic Compound 0.52minutes Animation of Ionic Formation and Properties Melting Ionic Compound

5 Covalent Compounds Animation Covalent Compound Formation 0.52m Animation Covalent Compound Formation “Shared” electrons between only nonmetals Named using prefixes

6 Comparison of Compounds IONICCOVALENT Elementsmetal and nonmetal nonmetals only State of 25°C solid crystalssolid, liquid, or gas Conductivitywhen melted or dissolved only No Solubilityusually yesvaries greatly Melting/boiling point highlow Nameuse “criss- cross”use prefixes


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