Naming Binary Molecular Compounds

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Naming Binary Molecular Compounds
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Naming Binary Molecular Compounds

Binary Molecular Compounds Compounds between two nonmetals First element in the formula is named first. Keeps its element name Gets a prefix if there is a subscript on it Second element is named second Use the root of the element name plus the -ide suffix Always use a prefix on the second element

List of Prefixes 1 = mon(o) 2 = di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deka List of Prefixes

Naming Binary Compounds diphosphorus pentoxide CO2 = carbon dioxide CO = carbon monoxide N2O = dinitrogen monoxide

Practice – Write the Formula Compound Name Compound Formula Carbon dioxide Carbon monoxide Diphosphorus pentoxide Dinitrogen monoxide Silicon dioxide Carbon tetrabromide Sulfur dioxide Phosphorus pentabromide Iodine trichloride Nitrogen triiodide Dinitrogen trioxide Check next slide for answers

Answers – Write the Formula Compound Name Compound Formula Carbon dioxide CO2 Carbon monoxide CO Diphosphorus pentoxide P2O5 Dinitrogen monoxide N2O Silicon dioxide SiO2 Carbon tetrabromide CBr4 Sulfur dioxide SO2 Phosphorus pentabromide PBr5 Iodine trichloride ICl3 Nitrogen triiodide NI3 Dinitrogen trioxide N2O3

Practice – Name the Compounds Compound Formula Compound Name N2O4 SO3 NO NO2 As2O5 PCl3 CCl4 H2O SeF6 Check next slide for answers

Answers – Name the Compounds Compound Formula Compound Name N2O4 dinitrogen tetroxide SO3 sulfur trioxide NO nitrogen monoxide NO2 nitrogen dioxide As2O5 diarsenic pentoxide PCl3 phosphorus trichloride CCl4 carbon tetrachloride H2O dinitrogen monoxide SeF6 selenium hexafluoride

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