nomenclature covalent naming and formula writing
TRANSCRIPT
NomenclatureNomenclatureCovalent Naming Covalent Naming
and and
Formula WritingFormula Writing
Molecular NomenclatureMolecular Nomenclature
Prefix System Prefix System (binary compounds)(binary compounds)
1.1. Less eLess e--negneg atom atom comes first. comes first.
2.2. Add Add prefixesprefixes to indicate # of atoms. to indicate # of atoms. Omit Omit mono-mono- prefix on first element. prefix on first element.
3.3. Change the ending of the Change the ending of the second element to second element to -ide-ide..
PREFIXPREFIXmono-mono-di-di-tri-tri-tetra-tetra-penta-penta-hexa-hexa-hepta-hepta-octa-octa-nona-nona-deca-deca-
NUMBERNUMBER1122334455667788991010
Molecular NomenclatureMolecular Nomenclature
CClCCl44
NN22OO
SFSF66
– carbon tetrachloride carbon tetrachloride
– dinitrogen monoxidedinitrogen monoxide
– sulfur hexafluoridesulfur hexafluoride
Molecular NomenclatureMolecular Nomenclature
arsenic trichloridearsenic trichloride
dinitrogen pentoxidedinitrogen pentoxide
tetraphosphorus decoxidetetraphosphorus decoxide
– AsClAsCl33
– NN22OO55
– PP44OO1010
Molecular NomenclatureMolecular Nomenclature
N O F
Cl
Br
I
H
Molecular NomenclatureMolecular Nomenclature
The Seven Diatomic ElementsThe Seven Diatomic Elements
BrBr22 I I22 N N22 Cl Cl22 H H22 O O22 F F22