Lewis Dot Diagrams (Structures) For Atoms And Ions Predicting Oxidation Numbers Worksheet Page 5
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WKS 4-3 DRAWING LEWIS DOTS FOR COVALENT IONS AND MOLECULES (2 pgs)
Covalent molecules are named using prefixes. If there is no prefix, then it is understood that there
is only one of that element in the compound. If there is a prefix, then the prefix indicates how
many of that element is in the compound. (ex: mono = 1, di = 2, tri = 3, tetra = 4, penta = 5, hexa =
6)
Molecule
Lewis Dot Structure
# Bonds
# non-bonded
General
Does the
“ABX”
on
pairs of
particle
Central
electrons on
Formula
resonate?
Atom
central atom
(Y or N)
1. carbon
tetrabromide
CBr
4
2. sulfate ion
3. hydrogen
sulfide (H
S)
2
4. bromine
trichloride
BrCl
3
5. nitrate ion
6. xenon
tetrafluoride
XeF
4
7. phosphorous
trifluoride
PF
3
PAP CHEM 2009
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