Name _______________________
Date _____________ Per ______
Mixed Practice: Names and Formulas-ANSWERS
First determine whether each of the following compounds is ionic (M + NM),
polyatomic (3 or more atoms), or covalent (2 NM’s). Then write the name for
each compound.
1) NO2 mononitrogen dioxide
2) NaBr sodium bromide
3) SiO2 monosilicon dioxide
4) P2Br4 diphosphorous tetrabromide
5) Fe2O3 iron oxide (could have roman numerals here, but I’m okay if you don’t)
6) SF6 monosulfur hexafluoride
7) Li2S lithium sulfide
8) MgBr2 magnesium bromide
9) N2S dinitrogen monosulfide
10) BeBr2 berryllium bromide
11) SO3 monosulfur trioxide
12) Cu2S copper sulfide
13) BF3 monoboron trifluoride
14) I2 skip
First determine whether each of the following compounds is ionic (M + NM),
polyatomic (3 or more atoms), or covalent (2 NM’s). Then write the formula for
each compound.
15) carbon monosulfide CS
16) vanadium(II) phosphide SKIP
17) oxygen difluoride OF2
18) gold(I) iodide AuI
19) triboron tetrahydride B3H4
20) aluminum fluoride AlF3
21) dinitrogen heptoxide N2O7
22) dinitrogen trioxide N2O3
23) cadmium chloride SKIP
24) aluminum oxide Al2O3
25) disulfur trichloride N2S3
26) cobalt(II) oxide CoO
27) pentaphosphorus hexafluoride P5F6
Naming Chemical Compounds
Name the following ionic compounds:
1)
2)
3)
4)
NaBr
CaO
Li2S
MgBr2
Write the formulas for the following ionic compounds:
6)
7)
8)
potassium iodide
magnesium oxide
aluminum chloride
12)
beryllium phosphide
16)
calcium chloride
18)
aluminum oxide
Write the names of the following covalent compounds:
21)
22)
23)
SO3
N2S
PH3
24)
25)
26)
BF3
P2Br4
CO
27)
28)
30)
SiO2
SF6
NO2
Write the formulas of the following covalent compounds:
31)
32)
33)
34)
36)
37)
38)
39)
40)
nitrogen trichloride
boron monocarbide
dinitrogen trioxide
phosphorus pentafluoride
sulfur dibromide
diboron tetrahydride
oxygen difluoride
carbon disulfide
nitrogen monoxide