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Formula writing Formula writing. Binary compounds Two elements only End in ide Binary ionic-metal and nonmetal Binary molecular – 2 nonmetals.

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Presentation on theme: "Formula writing Formula writing. Binary compounds Two elements only End in ide Binary ionic-metal and nonmetal Binary molecular – 2 nonmetals."— Presentation transcript:

1 Formula writing Formula writing

2 Binary compounds Two elements only End in ide Binary ionic-metal and nonmetal Binary molecular – 2 nonmetals

3 Binary ionic compounds Group A metal – name normal Second element changed to an ide ending

4 Binary ionic compounds CaCl 2 Na 2 O AlBr 3 BaS LiI Calcium chloride Sodium oxide Aluminum bromide Barium Sulfide Lithium iodide

5 Binary molecular coumpounds Always two nonmetals First nonmetal name normal Second nonmetal always ends in ide Must identify the numbers hanging down (subscripts)

6 Prefixes Mono- Di- Tri- Tetra- Penta- Hexa – Hepta- Octa- Nona- Deca- 1 2 3 4 5 6 7 8 9 10

7 Binary molecular compounds CO N 2 O 5 P 2 0 3 SO 3 PCl 5 Carbon monoxide Dinitrogen pentoxide Diphosphorus trioxide Sulfur trioxide Phosphorus pentachloride

8 Binary ionic w/group B Still two elements Still a metal and nonmetal First element from group B not A Still ends in ide Must name metal completely Must know all oxidation states of the metal

9 Binary group B PbCl 2 PbCl 4 CuCl CuCl 2 Lead chloride Copper chloride

10 PbCl 2 PbCl 4 Lead (II) chloride Plumbous chloride Lead (IV) chloride Plumbic chloride

11 CuCl CuCl 2 Copper (I) chloride cuprous chloride Copper (II)chloride cupric chloride

12 CrO NiCl 2 CoI 3 FeBr 2 SnO Chromous oxide Chromium (II) oxide Nickelous chloride Nickel (II) chloride Cobaltic iodide Cobalt (III) iodide Ferrous bromide Iron (II) bromide Stannous oxide Tin (II) oxide


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