Naming Molecular Compounds No accompanying notesheet. All of the information is located at the bottom of page 12.

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Naming Molecular Compounds No accompanying notesheet. All of the information is located at the bottom of page 12.

Chemistry Joke Q: What did Santa say when it rained on Christmas day? A: HOH, HOH, HOH!!

Naming Molecular Compounds First, is the compound molecular?  If the first element is a nonmetal, then the compound is molecular. DO NOT USE CHARGES!!! DO NOT SIMPLIFY!!! Instead, use PREFIXES to show how many of both elements!  Don’t write mono- on first element First element keeps its name Second element ends in –ide

Prefixes 1 – mono- 2 – di- 3 – tri- 4 – tetra- 5 – penta- 6 – hexa- 7 – hepta- 8 – octa- 9 – nona- 10 – deca-

Name These Molecular Compounds N2ON2O F5S2F5S2 PCl 3 ClO 2 SF 6 Dinitrogen monoxide Pentafluorine disulfide Phosphorus trichloride Chlorine dioxide Sulfur hexafluoride

Going the other way… Nitrogen trifluoride Pentaphosphorus trinitride Disulfur dichloride Heptachlorine pentaphosphide Hexanitrogen tetroxide NF 3 P5N3P5N3 S 2 Cl 2 Cl 7 P 5 N6O4N6O4

Dihydrogen monoxide  H 2 O  Water Nitrogen trihydride  NH 3  Ammonia Carbon tetrahydride  CH 4  Methane Common Names

Diatomic Molecules O 2 Oxygen N 2 Nitrogen F 2 Fluorine ETC…..

Chemistry Joke Sung to the tune, “ We Three Kings” We the students of chemistry are Taking tests that we think are hard Dimensional Analysis, Volumes, & Densities Worrying all the time…

Chemistry Joke Ohhhhhhh… Room of wonder Room of fright We’re trying to get our structures right Could you lead us to the answer Guide us by your fluorescent light