Prefixes are used to denote the numbers of atoms present 4 The prefix mono is

Prefixes are used to denote the numbers of atoms

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Prefixes are used to denote the numbers of atoms present 4. The prefix mono - is never used for naming the first element. Naming covalent compounds Prefix to tell us how many of each atom 1 : mono- 2 : di- 3 : tri- 4: tetra- 5 : penta- 6: hexa- 7: hepta- 8: octa- 9: nona- 10: deca- Binary Examples Examples: CO 2 SF 6 N 2 O 4
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7 A17 - Naming organic compounds For organic compounds prefix for number of carbons in longest chain Functional Groups Determine End Active sites are important in many organic compounds All single bonded carbons – alkane Triple bonded carbons – alkyne Double bonded carbons – alkene -OH group -- alcohol A16 - Acids Acids without oxygen Examples: HCl(aq) HCN(aq) H 2 S(aq) H 2 S(g) Acids with oxygen If the anion does contain oxygen: The suffix is added to the root name if the anion name ends in . The suffix is added to the root name if anion name ends in . Acids with oxygen Examples: HNO 3 H 2 SO 4 H 2 SO 3 HC 2 H 3 O 2 1 carbon : meth- 2 carbons : eth- 3 carbons: prop- 4 carbons: but- 5 carbons: pent- 6 carbons: hexa- 7 cargons: hept- 8 carbons: oct- 9 carbons: non- Examples Methane Octane Propane Ethanol Propene Multiple definitions of acids Molecule with one or more H + ions attached to an anion Acids often recognized by hydrogen that appears first in formula—HCl
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