Prefixes for Naming Covalent Bonds. Prefixes Mono - 1 Di - 2 Tri - 3 Tetra - 4 Penta - 5 Hexa - 6 Hepta - 7 Octa - 8 Nona - 9 Deca - 10.

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Presentation transcript:

Prefixes for Naming Covalent Bonds

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

Writing Covalent Formulas Dinitrogen Pentoxide Write the symbol of each element. NONO Add the subscript as indicated by the prefixes. N2O5N2O5

Writing Covalent Formulas Carbon Dioxide Write the name of each element. C O Add the subscripts as indicated by the prefixes. CO 2

Try these examples on your own. Sulfur dioxide Sulfur monoxide Carbon tetrachloride Dihydrogen dioxide Nitrogen triiodide

Naming Covalent Molecules NH 3 Write the name of the first nonmetal using its subscript as a prefix. Nitrogen (No prefix written for the first element IF it is a one.) Write the name of the second nonmetal using its subscript as a prefix and change the ending to -ide. Trihydride Name of the molecule: Nitrogen trihydride

Naming Covalent Molecules Pt.2 P2O5P2O5 Write the name of the first nonmetal using the subscript as a prefix. Diphosphorus Write the name of the second nonmetal using the subscript as a prefix and change the ending to -ide. Pentoxide Name the molecule: Diphosphorus Pentoxide

Try a few examples on your own. CO CO 2 SF 2 PI 3 H 2 O