Unit A—Energy and Matter in Chemical
Change
Unit Support
L ine
M as
te r
1
2
Name: ______________________________________
Binary Molecular Compounds
A. Write the correct name for each compound below. Use prefixes to indicate the number of atoms of
each element in the name of the molecular compound. (Remember: The prefix “mono-” is not used
with the name of the first element.)
1 atom: mono-
3 atoms: tri-
5 atoms: penta-
7 atoms: hepta
9 atoms: nona-
2 atoms: di-
4 atoms: tetra-
6 atoms: hexa
8 atoms: octa-
10 atoms: deca-
1) BrCl3
2) BN
3) N2O3
4) NI3
5) SF6
6) XeF4
7) PCl3
8) CH4
9) PCl5
10) P2O5
11) S2Cl2
12) ICl2
13) NH3
14) P4O10
15) H2O
16) OF2
continued...
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Unit A—Energy and Matter in Chemical
Change
B. Write the correct formula for each compound below. Use subscripts to indicate the number of
atoms of each element in the formula (never reduce).
1) chlorine monoxide
2) sulfur hexachloride
3) dinitrogen monoxide
4) nitrogen trifluoride
5) sulfur tetrachloride
6) xenon trioxide
7) carbon dioxide
8) boron trichloride
9) diphosphorus pentoxide
10) phosphorus trichloride
11) sulfur dioxide
12) bromine pentafluoride
13) disulfur dichloride
14) boron trifluoride
15) tetraarsenic decoxide
16) silicon tetrachloride
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Copyright © 2004 Pearson Education Canada Inc.
Unit A—Energy and Matter in Chemical Change
Answers for Line Master 12
A. The correct name:
B. The correct formula:
1) BrCl3
bromine trichloride
1) chlorine monoxide
ClO
2) BN
boron mononitride
2) sulfur hexachloride
SCl6
3) N2O3
dinitrogen trioxide
3) dinitrogen monoxide
N2O
4) NI3
nitrogen triiodide
4) nitrogen trifluoride
NF3
5) SF6
sulfur hexafluoride
5) sulfur tetrachloride
SCl4
6) XeF4
xenon tetrafluoride
6) xenon trioxide
XeO3
7) PCl3
phosphorus trichloride
7) carbon dioxide
CO2
8) CH4
methane
8) boron trichloride
BCl3
9) PCl5
phosphorus pentachloride
9) diphosphorus pentoxide
P2O5
10) P2O5
diphosphorus pentoxide
10) phosphorus trichloride
PCl3
11) S2Cl2
disulfur dichloride
11) sulfur dioxide
SO2
12) ICl2
iodine dichloride
12) bromine pentafluoride
BrF5
13) NH3
ammonia
13) disulfur dichloride
S2Cl2
14) P4O10
tetraphosphorus decoxide
14) boron trifluoride
BF3
15) H2O
water
15) tetraarsenic decoxide
As4O10
16) OF2
oxygen difluoride
16) silicon tetrachloride
SiCl4
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