Download Naming and Writing Formulas

Review
Chemistry 2202
Name:
Naming and Writing Formulas
1. Identify the following as ionic (i) or molecular (m):
Compound LiBr
Na2O
CF4
Fe2O3 SO2
N2O4
SiO2 PBr3
i or m
2. Write the formulas for the following compounds in the space provided:
a) carbon dioxide
k) nitrogen monoxide
b) silicon dioxide
l) tetraphosphorus decoxide
c) water
m) silicon carbide
d) carbon disulfide
n) hydrogen peroxide
e) ammonia
o) diphosphorus pentabromide
f) carbon tetrachloride
p) arsenic tribromide
g) carbon
q) carbon monoxide
h) oxygen
r) sulfur dioxide
i) fluorine
s) neon
j) diphosphorus trioxide
t) dinitrogen tetroxide
3. Write the names for the following compounds, in the space provided:
a) CBr4
k) N2O
b) I2
l) H2O2
c) PF3
m) Br2
d) N2O4
n) Ar
e) CO
o) P4
f) NH3
p) ClO2
g) H2O2
q) SiCl2
h) SCl6
r) BH3
i) SO3
s) C2S4
j) P4O6
t) OF2
PbO2
Cu3P2
Review
Chemistry 2202
Name:
4. Complete the table below:
Formula
Name
Name
a) P4O6
k) iodine trifluoride
b) S2F10
l) chlorine dioxide
c) N2O4
m) ammonia
d) ICl5
n) boron trifluoride
e) SF6
o) diboron hexahydride
f) S8
p) phosphorous trihydride
g) S4N2
q) phosphorus pentachloride
h) H2O2
r) carbon disulfide
i) N2O3
s) sulfur trioxide
j) NH3
t) diarsenic trioxide
Formula
Prefixes indicate the number of each atom when naming _____________ compounds
Molecular compounds are composed of two or more _________________.
5. Complete the table below:
a) CaCl2
k) potassium iodide
b) MgO
l) aluminum chloride
c) NaBr
m) lithium nitride
d) Al2O3
n) barium chloride
e) CaO
o) magnesium hydride
f) ZnO
p) magnesium chloride
g) Ag2S
q) sodium sulfide
h) CaF2
r) zinc sulfide
i) CaH2
s) potassium chloride
j) K2S
t) silver bromide
Review
Chemistry 2202
Name:
6. Complete the table below:
a) Li2O
k) zinc iodide
b) CaS
l) silver chloride
c) KF
m) magnesium nitride
d) Mg2S3
n) barium phosphide
e) CaO
o) calcium nitride
f) AlP
p) magnesium chloride
g) ZnO
q) lithium oxide
h) SrCl2
r) barium iodide
i) MgH2
s) cesium sulfide
j) Li3N
t) magnesium bromide
7. Identify the type of ions found in each compound below.
Key: S –only simple ions
Compound
S, M, and/or P
CoCl3
P –polyatomic ion(s) present
Na2O
MnCl4
NH4NO3
SrCO3
M –multi-valent metal ions
PbO
8. Write names or formulas for each compound using the correct charge
for each cation.
a) uranium (IV) oxide
k) SnO2
b) lead (IV) sulfide
l) Sb2S3
c) manganese (IV) oxide
m) HgS
d) iron (III) oxide
n) PdS2
e) copper (II) sulfide
o) FeS
f) lead (IV) oxide
p) HgO
g) tin (II) fluoride
q) V2O5
h) chromium (III) oxide
r) TiO2
i) uranium (VI) bromide
s) AuF3
j) cobalt chloride
t) NiBr2
K2SO4
CoCO3
Review
Chemistry 2202
Name:
9. Place the symbol for each ion in the space provided. Then write the correct chemical
formula and name for the ionic compound. Be sure to balance the charges.
Remember polyatomic ions end in -ite, and -ate,
except for cyanide, hydroxide and ammonium.
The first one is completed for you.
Cation
Anion
Al 3+
a)
b)
aluminum
calcium
chloride
sulfite
c)
sodium
phosphate
d)
copper(II)
nitrate
e)
chromium(II)
nitride
f)
silver
chromate
g)
nickel(III)
iodide
h)
barium
nitride
i)
sodium
carbonate
j)
zinc
acetate
k)
magnesium
hydroxide
l)
iron(III)
nitrite
m)
mercury(I)
oxide
n)
copper(II)
chlorate
o)
potassium
bromate
p)
aluminum
hydrogen carbonate
q)
lead(II)
hydrogen sulfate
r)
beryllium
iodide
s)
mercury(II)
nitride
t)
ammonium
oxide
u)
strontium
sulfite
v)
copper(II)
hydrogen sulfate
Formula
Cl -
AlCl3
Review
Chemistry 2202
Name:
10. Provide the name or chemical formula of each compound.
Formula
Name
Name
1. Li2CO3
16. potassium hydroxide
2. K2SO4
17. lithium phosphate
3. Al(OH)3
18. iron (III) hydroxide
4. Fe(ClO)3
19. sodium bicarbonate
5. H2SO4
20. calcium chlorate
6. Ca(HCO3)2
21. hydrogen borate
7. Pb3(PO4)2
22. magnesium silicate
8. Zn(CH3COO)2
23. ammonium nitrate
9. Cu(NO3)2
24. sodium hypochlorite
10. Cu(NO2)2
25. potassium nitrate
11. K2S2O3
26. sodium benzoate
12. CaCO3
27. potassium thiocyanate
13. Na2Cr2O7
28. calcium cyanide
14. NaCN
29. chromium (III) nitrite
15. KH2PO4
30. iron (II) chlorite
11. Provide the name or formula for each hydrate below:
1. copper (II) sulfate pentahydrate
2.
MgSO4 • 7 H2O
3. potassium carbonate octahydrate
4.
MgCl2 • 6 H2O
5. barium chloride dihydrate
6.
Cd(NO3)2 • 4 H2O
7. lithium bromide trihydrate
8.
Na2S2O3 • 5 H2O
9. cobalt (II) chloride hexahydrate
10.
AlCl3 • 6 H2O
11. zinc sulfate nonahydrate
12.
CaCl2 • H2O
13. barium hydroxide monohydrate
14.
15. magnesium silicate pentahydrate
Na2SO4 • 10 H2O
Formula
Review
Chemistry 2202
Name:
Acids:
- acids are hydrogen compounds that have been dissolved in water
- composed of non-metals(m)
- may be solids, liquids or gases or room temperature (m)
- dissolve in water to form conducting solutions (i)
Rules for naming acids:
Rule 1
hydrogen _____ide
becomes hydro_____ic acid
Acid Formula
ionic name
acid name
HCl(aq)
hydrogen chloride
hydrochloric acid
HBr(aq)
HCN(aq)
HF(aq)
Rule 2
hydrogen _____ate
HClO3(aq)
becomes
hydrogen chlorate
_____ic acid
chloric acid
HNO3(aq)
H2CO3(aq)
H2CrO4(aq)
Rule 3
hydrogen _____ite
HNO2(aq)
hydrogen nitrite
becomes _____ous acid
nitrous acid
HClO2(aq)
HClO(aq)
H2SO3(aq)
*Two exceptions to naming acid rules are acids which have sulf or phosph as
roots. Syllables are added to theses acid names to make them sound better. Thus,
H2SO4(aq) is sulfuric acid and H3PO4(aq) is phosphoric acid.
Review
Chemistry 2202
Name:
To write formulas, first write the ionic name and then use charges to write the formula.
Rule 1
hydrogen _____ide
HCl(aq)
becomes hydro_____ic acid
hydrogen chloride
hydrochloric acid
hydroiodic acid
hydrosulfuric acid
hydroselenic acid
Rule 2
hydrogen _____ate
HClO3(aq)
becomes
_____ic acid
hydrogen chlorate
chloric acid
dichromic acid
sulfuric acid
acetic acid
Rule 3
hydrogen _____ite
HNO2(aq)
becomes _____ous acid
hydrogen nitrite
nitrous acid
iodous acid
phosphorous acid
bromous acid
12. Write the name for each acid below:
HNO3(aq)
HNO2(aq)
H2SO4(aq)
HBr(aq)
H2CrO4(aq)
H3PO4(aq)
13. Write the formula for each acid below:
permanganic acid
hydrosulfuric acid
sulfurous acid
hydrochloric acid
carbonic acid
chlorous acid
Review
Chemistry 2202
Name:
14. Complete the table below:
Formula
Acid Name
a) H3BO3 (aq)
b)
Formula
Acid Name
k) HClO4 (aq)
hydrochloric acid
l)
hypochlorous acid
c) CH3COOH(aq)
m) H2S (aq)
d) H2SO4 (aq)
n)
e) H2SO3 (aq)
o) HCN (aq)
hydrofluoric acid
f)
oxalic acid
p)
nitrous acid
g)
phosphoric acid
q)
benzoic acid
h)
sulfuric acid
r) H2SiO3 (aq)
i) H2CO3 (aq)
j)
nitric acid
s)
thiosulfuric acid
t)
chromic acid
15. Identify the type of compound and use the appropriate rules to complete the table below:
i, m
or a
Formula
Name
i, m
or a
Name
OF2
tetracarbon octahydride
HNO3(aq)
molybdenum(III) oxide
Zn3P2
lead(IV) nitrate dihydrate
FeCl2
magnesium perchlorate
CaCO3
beryllium oxide
HBr(aq)
bromic acid
HClO2(aq)
hydroiodic acid
P3H5
sulfurous acid
SrCl2
cobalt(II) phosphate
S3H5
ammonia
lithium permanganate
tetrahydrate
H2O2
Ca(OH)2
carbon disulfide
AuP
boron trihydride
Formula
Review
Chemistry 2202
Name:
Balance the following chemical equations and identify the reaction type
1
H2O(l) 
2
N2(g) +
3
H2SO4(aq) +
4
Al(s) +
5
Cl2(g) +
6
Pb(NO3)2(aq) +
7
NaOH(aq) +
8
P4(s) +
9
CH3OH(l) +
10
NO2(g) +
H2(g) +
O2(g)
H2(g) 
NH3(g)
NaOH(aq) 
Cu(NO3)2(aq) 
KBr(aq) 
HOH(l) +
Cu(s) +
Br2(l) +
NaI(aq) 
Al2(SO4)3(aq) 
O2(g) 
O2(g) 
H2O(l) 
Al(NO3)3(aq)
KCl(aq)
PbI2(s) +
Al(OH)3(s)
P4O10(s)
CO2(g) +
HNO3(aq) +
Na2SO4(aq)
H2O(g)
NO(g)
NaNO3(aq)
+
Na2SO4(aq)
Review
Chemistry 2202
Name:
Balance the following chemical equations and identify the reaction type
Reaction Type
1.
H2
+ O2
➞
H2O
_____________________
2.
S8
+ O2
➞ SO3
_____________________
3.
HgO
4.
Zn
+ HCl
➞ ZnCl2
+ H2
_____________________
5.
Na
+ H2O
➞ NaOH
+ H2
_____________________
6.
Si2H3 +
+ H2O
_____________________
7.
Al(OH)3
8.
Fe2(SO4)3 +
9.
C7H6
10.
Fe2O3
11.
C7H16
12.
SiO2
13.
Al2(SO4)3 + Ca(OH)2 ➞
14.
FeCl3 +
NH4OH ➞
15.
C3H8
O2
16.
Al
17.
PCl5
18.
H2S ➞ H2
19.
Mg
20.
Si2S4
➞
Hg
+ O2
_____________________
➞ SiO2
O2
+ H2SO4 ➞ Al2(SO4)3
KOH ➞
➞ CO2
+ O2
+ H2
+
+
HF
+ H2O
➞ CO2
➞ SiF4
+ H2O
+ H2O
➞ P4
+ Cl2
+ S8
➞ Mg3N2
+ N2
Si
+
S8
_____________________
_____________________
_____________________
_____________________
Al(OH)3 + CaSO4_____________________
Fe(OH)3 +
➞ CO2
_____________________
Fe(OH)3 _____________________
+ H2O
+ H2O
➞ AlCl3 + H2
+ HCl
➞
➞ Fe
O2
+
K2SO4 +
+ H2O
NH4Cl _____________________
_____________________
_____________________
_____________________
_____________________
_____________________
_____________________
Review
Chemistry 2202
Name:
SYNTHESIS and DECOMPOSITION REACTIONS
Complete the following questions in the spaces provided.
1. Lithium metal is reacted with nitrogen to produce lithium nitride
Word equation:
+
Chemical equation:
+
2. Copper (I) oxide is decomposed into its elements
Word equation:
+
Chemical equation:
+
3. A silver spoon tarnishes when exposed to sulfur (S8).
Word equation:
+
Chemical equation:
+
4. Pieces of magnesium produce flashes of light when burned in the presence of oxygen
Word equation:
+
Chemical equation:
+
5. Cobalt(III) fluoride results when cobalt reacts with fluorine
Word equation:
+
Chemical equation:
+
Review
Chemistry 2202
Name:
6. Using heat, sodium bicarbonate is decomposed to produce carbon dioxide and water.
(decomposition but not simple)
Word equation:
+
Chemical equation:
+
7. Phosphorus trifluoride is made from the reaction of phosphorus (P 4) with fluorine.
Word equation:
+
Chemical equation:
+
8. Shock sensitive nitrogen triiodide is made from nitrogen gas and iodine.
Word equation:
+
Chemical equation:
+
9. Sulfur dioxide from burning fossil fuels combines with rain water to produce sulfurous
acid (acid rain)
Word equation:
+
Chemical equation:
+
10.
Sulfur dioxide forms when solid sulfur burns in oxygen gas.
Word equation:
+
Chemical equation:
+
12
Review
Chemistry 2202
Name:
SINGLE REPLACEMENT
1. Magnesium is reacted with a solution of silver nitrate.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
2. Aluminum is reacted with iron (III) oxide.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
3. Copper reacts with a solution of silver sulfate.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
4. Iron reacts with hydrochloric acid to produce a gas and one other compound.
Word equation:
+
➔
Chemical equation:
+
➔
+
+
5. Sentence:
Word equation:
Chemical equation:
➔
+
Br2 (l)
+ KI(aq)
➔
+
+
Review
Chemistry 2202
Name:
6. Aluminum reacts with sulfuric acid
Word equation:
+
➔
+
Chemical equation:
+
➔
+
7. Potassium reacts with water (HOH).
Word equation:
+
➔
+
Chemical equation:
+
➔
+
8. Zinc metal reacts with lead (II) nitrate solution
Word equation:
+
Chemical equation:
+
➔
+
➔
+
9. Sentence:
Word equation:
Chemical equation:
+
➔
+
+ ZnBr2 (aq)
➔
+
K(s)
10. Sentence:
Word equation:
+
➔
Chemical equation:
+
➔
+
Ag(s) +
Pb(CH3COO)2(aq)
Review
Chemistry 2202
Name:
DOUBLE REPLACEMENT
1. A solution of aluminum chloride is reacted with a solution of potassium hydroxide.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
2. A solution of barium chloride is mixed with a solution of silver nitrate.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
3. A solution of barium hydroxide is neutralized by carbonic acid
Word equation:
+
➔
+
Chemical equation:
+
➔
+
4. A calcium hydroxide solution is neutralized by nitric acid.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
5. Sentence:
Word equation:
Chemical equation:
Lead (II) nitrate + Sodium Iodide ➔
+
➔
+
+
Review
Chemistry 2202
Name:
6. Sentence:
Word equation:
+
Chemical equation:
+
➔ Cobalt (II) hydroxide + Sodium chloride
➔
+
7. Lead (II) nitrate is mixed with sodium acetate
Word equation:
+
Chemical equation:
+
➔
➔
+
+
8. Phosphoric acid is neutralized by a solution of potassium hydroxide.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
+
➔
9. Sentence:
Word equation:
Chemical equation:
+HCl (aq)
CaCO3(s)
➔
+
+
10. Sentence:
Word equation:
+
Chemical equation:
+
➔
➔
+
Al2S3(s)
+ Ca(OH)2 (aq)
Review
Chemistry 2202
Name:
COMBUSTION
1. Propane ( C3H8 ) burns in a barbecue.
Word equation:
+
Chemical equation:
+
➔
+
➔
+
2. Kerosene ( C11H22 ) burns in a lamp.
Word equation:
+
➔
+
Chemical equation:
+
➔
+
3. The combustion of gasoline ( C8H18 ) occurs in a lawn mower
Word equation:
+
➔
+
Chemical equation:
+
➔
+
4. Candlewax ( C25H52 ) provides some heat and light as it burns
Word equation:
+
➔
+
Chemical equation:
+
➔
+
5. The combustion of methanol ( CH3OH ) is used to keep food trays warm
Word equation:
+
➔
+
Chemical equation:
+
➔
+