Unit 4: Inorganic Nomenclature

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Presentation transcript:

Unit 4: Inorganic Nomenclature October 4th

Metals and Non-Metals Your new best friend!

Ions atom or molecule that has an electrical charge (due to the gaining or losing of an electron) (49) Give me some examples!

Ionic compounds positive ions (ex) Na+) and negative (ex) Cl-) form ionic compounds Remember: ions are charged, but compound are neutral (no charge) KEYWORDS anion: ion with –ve charge cation: ion with a +ve charge

ion charges

keywords p68 monatomic diatomic triatomic polyatomic

Take a look at ions P3- What is the element? Metal or non-metal (or transition/metalloid)? Monatomic, diatomic? What is the charge?

Naming Monatomic Metal Ions a. Metal with one possible charge – name stays the same Ex. Sodium (Na)  Sodium ion (Na+) b. Metal with more than one possible charge – name stays the same, but number is included. Ex. Fe3+  Iron (III) ion or Fe2+ Iron (II) ion

Naming Monatomic Non-metal Ions p69 Element name Symbol Ion name Ion symbol Fluorine F Fluoride F- Chlorine Cl Chloride Cl- Bromine Br Bromide Br- Iodine I Iodide I- Oxygen O Oxide O2- *** Sulphur S Sulphide S2- *** Nitrogen N Nitride N3- *** Phosphorus P Phosphide P3- *** Carbon C Carbide C4- ***

Naming Polyatomic Ions p69 These will be given to you in the data table.

Naming Ionic Compounds p70 Ionic compounds = positive ion(s) + negative ion (s) forming an ionic bond examples on page 70