CHEMISTRY WKST
FORMULA WRITING REVIEW
NAME: ____________JMS_______________________
1) Indicate whether the following is a metal, nonmetal or metalloid.
a) Ga metal
b) As metalloid
c) Ba metal
d) Se nonmetal
2) Give the name of the group for the following.
a) group 1A alkali metals
c) group 7A halogens
b) group 8A noble gases
d) group 2A alkaline earth metals
3) Tell whether the following is a representative element, transition metal or inner-transition metal.
a) Cu transition metal
c) Br representative element
b) K
d) Nd inner-transition metal
representative element
4) Give the ionic charge of the following elements as ions.
a) S 2-
c) Mg 2+
e) Br 1-
g) Rb 1+
b) Al 3+
d) Ag 1+
f)
h) Zn 2+
P 3-
5) Tell which element are the following locations on the periodic table.
a) group 11, period 4 Cu
c. group 6A, period 3 S
b) group 4B, period 5 Zr
d. group 14, period 6 Pb
6) Indicate whether the following describes a metal, nonmetal or a metalloid.
a) forms anions nonmetal
d. has poor luster nonmetal
b) good conductor of heat metal
e. shiny but very brittle metalloid
c) has good malleability metal
f.
most of these are gases at room temperature nonmetal
7) Write the formula for the compound containing the following pair of ions.
1+
2−
1+
1−
3−
2+
a) K , SO4
b. NH4 , OH
c. PO4 , Ca
K2SO4
NH4OH
Ca3(PO4)2
3+
d. Al , Br
AlBr3
Name these cations and anions.
1+
8) K
9) Br
potassium ion
1−
10) Cr
3+
11) Ca
2+
2−
12) S
13)
1−
ClO4
bromide ion
chromium(III) ion
calcium ion
sulfide ion
perchlorate ion
14) O
2−
oxide ion
2+
15) Mg
magnesium ion
3−
phosphide ion
4−
carbide ion
16) P
17) C
18) Pb
2+
19) NO3
1−
lead(II) ion
nitrate ion
Name the following molecular compounds.
20) SO3
sulfur trioxide
24) CO2
21) SO2
sulfur dioxide
25) ClBr5 chlorine pentabromide
22) NO3
nitrogen trioxide
26) P2O7 diphosphorus heptoxide
23) CCl4 carbon tetrachloride
27) SF6
carbon dioxide
sulfur hexafluoride
1−
Write the formula for the following molecular compounds.
28) disulfur tetrabromide
S2Br4
32) xenon hexafluoride
XeF6
29) dihydrogen oxide
H2O
33) dinitrogen pentoxide
N2O5
30) boron trichloride
BCl3
34) iodine heptafluoride
IF7
31) phosphorus pentachloride
PCl5
35) silicon dioxide
SiO2
Name the following ionic compounds.
36) Na2CO3
sodium carbonate
41) (NH4)2CO3 ammonium carbonate
37) Cr(NO2)3
chromium(III) nitrite
42) Cu2S
copper(I) sulfide
38) BaCl2
barium chloride
43) SnCl4
tin(IV) chloride
39) Mn(ClO3)2 manganese(II) chlorate
44) K3PO4
potasium phosphate
40) Fe(OH)2
45) Ni(NO3)2
nickel(II) nitrate
iron(II) hydroxide
Write the formula for the following ionic compounds.
46) sodium chloride
NaCl
53) mercury(I) iodide
Hg2I2
47) iron(III) carbonate
Fe2(CO3)3
54) copper(II) phosphate
Cu3(PO4)2
48) barium oxide
BaO
55) iron(II) oxide
FeO
49) aluminum chloride
AlCl3
56) copper(II) hydroxide
Cu(OH)2
50) cobalt(II) sulfate
CoSO4
57) sodium nitrite
NaNO2
51) ammonium chromate
(NH4)2CrO4
58) silver nitrate
AgNO3
52) sodium hydrogen carbonate NaHCO3
59) lead(II) chlorate
Pb(ClO3)2
Name the following acids.
Write the formula for the following acids.
60) HNO3
nitric acid
64) sulfuric acid
H2SO4
61) HBr
hydrobromic acid
65) carbonic acid
H2CO3
62) H2C2O4
oxalic acid
66) hydrochloric acid
HCl
63) H3PO4
phosphoric acid
67) chromic acid
H2CrO4
Name the following compounds. These are a mixture of ionic and molecular compounds.
68) ZnCl2
zinc chloride
78) (NH4)2Cr2O7
ammonium dichromate
69) KMnO4
potassium permanganate
79) NaHSO4
sodium hydrogen sulfate
70) N2O4
dinitrogen tetroxide
80) KCN
potassium cyanide
71) SrO
strontium oxide
81) Mg(H2PO4)2
magnesium dihydrogen phosphate
72) Na2O2
sodium peroxide
82) Sn(NO3)2
tin(II) nitrate
73) HgBr2
mercury(II) bromide
83) Pb(C2H3O2)2 lead(II) acetate
74) CH4
carbon tetrahydride
75) Ag2SO4
(methane)
84) RbClO
rubidium hypochlorite
silver sulfate
85) PCl3
phosphorus trichloride
76) FeSO3
iron(II) sulfite
86) ClBr5
chlorine pentabromide
77) KrF4
krypton tetrafluoride
87) CaCO3
calcium carbonate
Write the formula for the following mixture of compounds.
88) lithium nitride
Li3N
98) potassium chromate
K2CrO4
89) calcium hydroxide
Ca(OH)2
99) silver perchlorate
AgClO4
90) bromine trifluoride
BrF3
100) tin(IV) peroxide
Sn(O2)2
91) iron(III) oxide
Fe2O3
101) hydrosulfuric acid
H2S
92) lead(IV) hydrogen carbonate
Pb(HCO3)4
102) iron(III) nitrite
Fe(NO2)3
93) acetic acid
HC2H3O2
103) sodium hydrogen phosphate
Na2HPO4
94) tetraphosphorus decoxide
P4O10
104) strontium phosphide
Sr3P2
95) mercury(II) nitrate
Hg(NO3)2
105) copper(I) sulfite
Cu2SO3
96) barium sulfide
BaS
106) aluminum hydride
AlH3
97) ammonium phosphate
(NH4)3PO4
107) dioxygen difluoride
O2F2