Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.91
5.92
5.93
5.94
5.95
5.96
5.97
5.98
5.99
5.100
Write the electron configuration for each of the following:
a. N3b. Mg2+
c. P3d. Al3+
e. Li+
Write the electron configuration for each of the following:
a. K+
b. Na+
c. S2d. Cle. Ca2+
One of the ions of tin is tin (IV).
a. What is the symbol for this ion?
b. How many protons and electrons are in the ion?
c. What is the formula of tin (IV) oxide?
d. What is the formula of tin (IV) phosphate?
One of the ions of gold is gold (III).
a. What is the symbol for this ion?
b. How many protons and electrons are in the ion?
c. What is the formula of gold (III) sulfate?
d. What is the formula of gold (III) nitrate?
Write the symbol for the ion of each of the following:
a. chloride
b. potassium
c. oxide
d. aluminum
Write the symbol for the ion of each of the following:
a. fluoride
b. calcium
c. sodium
d. phosphide
What is the name of each of the following ions?
a. K+
b. S2c. Ca2+
d. N3What is the name of each of the following ions?
a. Mg2+
b. Ba2+
c. Id. ClWrite the formula for each of the following ionic compounds:
a. tin(II) sulfide
b. lead(IV) oxide
c. silver chloride
d. calcium nitride
e. copper(I) phosphide
f. chromium(II) bromide
Write the formula for each of the following ionic compounds:
a. nickel(III) oxide
b. iron(III) sulfide
c. lead(II) sulfide
d. chromium(III) iodide
e. lithium nitride
f. gold(I) oxide
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.101
5.102
5.103
5.104
5.105
5.106
5.107
5.108
5.109
Draw the electron-dot formula for each of the following:
a. Cl2O
b. CF4
c. H2NOH (N is the central atom)
d. H2CCCl2
Draw the electron-dot formula for each of the following:
a. H3COCH3; the atoms are in the order C O C
b. CS2; the atoms are in the order S C S
c. NH3
d. H2CCHCN; the atoms are in the order C C C N
Name each of the following covalent compounds:
a. NCl3
b. N2S3
c. N2O
d. F2
e. SO2
f. P2O5
Name each of the following covalent compounds:
a. CBr4
b. SF6
c. Br2
d. N2O4
e. PCl5
f. CS2
Write the formula for each of the following:
a. carbon monoxide
b. diphosphorus pentoxide
c. dihydrogen sulfide
d. sulfur dichloride
Write the formula for each of the following:
a. silicon dioxide
b. carbon tetrabromide
c. diphosphorus tetraiodide
d. dinitrogen oxide
Classify each of the following compounds as ionic or covalent, and give its name:
a. FeCl3
b. Na2SO4
c. NO2
d. N2
e. PF5
f. CF4
Classify each of the following compounds as ionic or covalent, and give its name:
a. Al2(CO3)3
b. ClF5
c. H2
d. Mg3N2
e. ClO2
f. CrPO4
Write the formulas for the following:
a. tin(II) carbonate
b. lithium phosphide
c. silicon tetrachloride
d. manganese(III) oxide
e. iodine
f. calcium bromide
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.110
5.111
5.112
5.113
5.114
5.115
5.116
5.117
5.118
Write the formulas for the following:
a. sodium carbonate
b. nitrogen dioxide
c. aluminum nitrate
d. copper(I) nitride
e. potassium phosphate
f. cobalt(III) sulfate
Select the more polar bond in each of the following pairs:
a. C―N or C―O
b. N―F or N―Br
c. Br―Cl or S―Cl
d. Br―Cl or Br―I
e. N―F or N―O
Select the more polar bond in each of the following pairs:
a. C―C or C―O
b. P―Cl or P―Br
c. Si―S or Si―Cl
d. F―Cl or F―Br
e. P―O or P―S
Show the dipole arrow for each of the following bonds:
a. Si―Cl
b. C―N
c. F―Cl
d. C―F
e. N―O
Show the dipole arrow for each of the following bonds:
a. C―O
b. N―F
c. O―Cl
d. S―Cl
e. P―F
Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic:
a. Si―Cl
b. C―C
c. Na―Cl
d. C―H
e. F―F
Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic:
a. C―N
b. Cl―Cl
c. K―Br
d. H―H
e. N―F
For each of the following, draw the electron-dot formula and determine the shape of the molecule:
a. NF3
b. SiBr4
c. BeCl2
d. SO2
For each of the following, draw the electron-dot formula and determine the shape of the molecule:
a. SiH4
b. HCCH
c. COCl2 (C is the central atom)
d. BCl3
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
Answers…
5.91
Write the electron configuration for each of the following:
a. N3- ......................................................................................................1s22s22p6
b. Mg2+ ...................................................................................................1s22s22p6
c. P3- ......................................................................................................1s22s22p63s23p6
d. Al3+ .....................................................................................................1s22s22p6
e. Li+ ......................................................................................................1s2
5.92
Write the electron configuration for each of the following:
a. K+ .......................................................................................................1s22s22p63s23p6
b. Na+ .....................................................................................................1s22s22p6
c. S2- ......................................................................................................1s22s22p63s23p6
d. Cl- ......................................................................................................1s22s22p63s23p5
e. Ca2+ ...................................................................................................1s22s22p63s23p6
5.93
One of the ions of tin is tin (IV). a. What is the symbol for this ion? .........................................................Sn4+
b. How many protons and electrons are in the ion? ...............................50 Protons, 46 Electrons
c. What is the formula of tin (IV) oxide? .................................................SnO2
d. What is the formula of tin (IV) phosphate? .........................................Sn3(PO4)4
5.94
One of the ions of gold is gold (III).
a. What is the symbol for this ion? .........................................................Au3+
b. How many protons and electrons are in the ion? ...............................79 Protons, 76 Electrons
c. What is the formula of gold (III) sulfate? ............................................Au2(SO4)3
d. What is the formula of gold (III) nitrate? .............................................Au(NO3)3
5.95
Write the symbol for the ion of each of the following:
a. Chloride .............................................................................................Clb. Potassium ..........................................................................................K+
c. Oxide .................................................................................................O2d. Aluminum ...........................................................................................Al3+
5.96
Write the symbol for the ion of each of the following:
a. Fluoride ..............................................................................................Fb. Calcium ..............................................................................................Ca2+
c. Sodium...............................................................................................Na+
d. Phosphide ..........................................................................................P35.97
What is the name of each of the following ions?
a. K+ ......................................................................................................Potassium
b. S2- .....................................................................................................Sulfide
c. Ca2+ ..................................................................................................Calcium
d. N3- .....................................................................................................Nitride
5.98
What is the name of each of the following ions?
a. Mg2+ ..................................................................................................Magnesium
b. Ba2+ ...................................................................................................Barium
c. I- ........................................................................................................Iodide
d. Cl- ......................................................................................................Chloride
5.99
Write the formula for each of the following ionic compounds:
a. tin(II) sulfide .......................................................................................SnS
b. lead(IV) oxide .....................................................................................PbO2
c. silver chloride .....................................................................................AgCl
d. calcium nitride ....................................................................................Ca3N2
e. copper(I) phosphide ...........................................................................Cu3P
f. chromium(II) bromide .........................................................................CrBr2
5.100
Write the formula for each of the following ionic compounds:
a. nickel(III) oxide ...................................................................................Ni2O3
b. iron(III) sulfide ....................................................................................Fe2S3
c. lead(II) sulfide ....................................................................................PbS
d. chromium(III) iodide ...........................................................................CrI3
e. lithium nitride ......................................................................................Li3N
f. gold(I) oxide .......................................................................................Au2O
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.101
Draw the electron-dot formula for each of the following:
a. Cl2O
b.
CF4
F
F
c.
C
F
F
H2NOH (N is the central atom)
H
H
d.
N
H2CCCl2
Cl
H
C
C
H
5.102
H
O
Cl
Draw the electron-dot formula for each of the following:
a. H3COCH3; the atoms are in the order C O C
H
H
H
C
O
C
H
b.
H
CS2; the atoms are in the order S C S
S
c.
H
C
S
NH3
H
H
d.
N
H
H2CCHCN; the atoms are in the order C C C N
H
H
C
H
C
C
N
5.103
Name each of the following covalent compounds:
a. NCl3 ..................................................................................................Nitrogen Trichloride
b. N2S3 ..................................................................................................Dinitrogen Sulfide
c. N2O ....................................................................................................Dinitrogen Oxide
d. F2 ......................................................................................................Fluorine
e. SO2 ...................................................................................................Sulfur Dioxide
f. P2O5 ...................................................................................................Diphosphorus Pentoxide
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.104
5.105
5.106
5.107
5.108
5.109
5.110
5.111
5.112
Name each of the following covalent compounds:
a. CBr4 ..................................................................................................Carbon Tetrabromide
b. SF6 .....................................................................................................Sulfur Hexafluoride
c. Br2 ......................................................................................................Bromine
d. N2O4 ..................................................................................................Dinitrogen Tetroxide
e. PCl5 ...................................................................................................Monophosphorus Pentachloride
f. CS2 ....................................................................................................Carbon Disulfide
Write the formula for each of the following:
a. carbon monoxide ...............................................................................CO
b. diphosphorus pentoxide .....................................................................P2O5
c. dihydrogen sulfide ..............................................................................H2S
d. sulfur dichloride ..................................................................................SCl2
Write the formula for each of the following:
a. silicon dioxide ....................................................................................SiO2
b. carbon tetrabromide ...........................................................................CBr4
c. diphosphorus tetraiodide....................................................................P2I4
d. dinitrogen oxide .................................................................................N2O
Classify each of the following compounds as ionic or covalent, and give its name:
a. FeCl3 ................................................Iron (III) Chloride .......................Δ electronegativity = 1.33 ................... Covalent
b. Na2SO4 ............................................Sodium Sulfate .........................Δ electronegativity = 2.51 ................... Ionic
c. NO2 ..................................................Nitrogen Dioxide .......................Δ electronegativity = 0.40 ................... Covalent
d. N2 .....................................................Nitrogen ....................................Δ electronegativity = 0 ........................ Covalent
e. PF5 ...................................................Phosphorous Pentafluoride ......Δ electronegativity = 1.79 ................... Ionic
f. CF4...................................................Carbon Tetrafluoride .................Δ electronegativity = 1.43 ................... Covalent
Classify each of the following compounds as ionic or covalent, and give its name:
a. Al2(CO3)3 ..........................................Aluminum Carbonate ................Δ electronegativity = 1.83 ................... Ionic
b. ClF5 ..................................................Chlorine Pentafluoride ..............Δ electronegativity = 0.82 ................... Covalent
c. H2 .....................................................Hydrogen ..................................Δ electronegativity = 0 ........................ Covalent
d. Mg3N2 ..............................................Magnesium Nitride ....................Δ electronegativity = 1.73 ................... Ionic
e. ClO2 .................................................Chlorine Dioxide .......................Δ electronegativity = 0.28 ................... Covalent
f. CrPO4 ..............................................Chromium (III) Phosphate .........Δ electronegativity = 1.78 ................... Ionic
Write the formulas for the following:
a. tin(II) carbonate ..................................................................................SnCO3
b. lithium phosphide ...............................................................................Li3P
c. silicon tetrachloride ............................................................................SiCl4
d. manganese(III) oxide .........................................................................Mn2O3
e. iodine .................................................................................................I2
f. calcium bromide .................................................................................CaBr2
Write the formulas for the following:
a. sodium carbonate ..............................................................................Na2CO3
b. nitrogen dioxide .................................................................................NO2
c. aluminum nitrate ................................................................................Al(NO3)3
d. copper(I) nitride ..................................................................................Cu3N
e. potassium phosphate .........................................................................K3PO4
f. cobalt(III) sulfate ................................................................................Co2(SO4)3
Select the more polar bond in each of the following pairs:
a. C―N or C―O ....................................................................................C—O
b. N―F or N―Br ...................................................................................N—F
c. Br―Cl or S―Cl ..................................................................................S—Cl
d. Br―Cl or Br―I ...................................................................................Br—I
e. N―F or N―O ....................................................................................N—F
Select the more polar bond in each of the following pairs:
a. C―C or C―O ....................................................................................C—O
b. P―Cl or P―Br ...................................................................................P—Cl
c. Si―S or Si―Cl ..................................................................................Si—Cl
d. F―Cl or F―Br ...................................................................................F—Br
e. P―O or P―S ....................................................................................P—O
Mallory Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.113
5.114
5.115
5.116
5.117
Show the dipole arrow for each of the following bonds:
a. Si―Cl.................................................................................................SiCl
b. C―N ..................................................................................................ClN
c. F―Cl..................................................................................................FCl
d. C―F ..................................................................................................CF
e. N―O ..................................................................................................NO
Show the dipole arrow for each of the following bonds:
a. C―O ..................................................................................................CO
b. N―F ..................................................................................................NF
c. O―Cl .................................................................................................OCl
d. S―Cl .................................................................................................SCl
e. P―F...................................................................................................PF
Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic:
a. Si―Cl ..............................................Δ electronegativity = 1.26 .........Polar Covalent
b. C―C ...............................................Δ electronegativity = 0 ..............Nonpolar Covalent
c. Na―Cl ............................................Δ electronegativity = 2.23 .........Ionic
d. C―H ...............................................Δ electronegativity = 0.35 .........Polar Covalent
e. F―F ................................................Δ electronegativity = 0 ..............Nonpolar Covalent
Classify each of the following bonds as nonpolar covalent, polar covalent, or ionic:
a. C―N ...............................................Δ electronegativity = 0.49 .........Polar Covalent
b. Cl―Cl .............................................Δ electronegativity = 0 ..............Nonpolar Covalent
c. K―Br ..............................................Δ electronegativity = 2.14 .........Covalent
d. H―H ...............................................Δ electronegativity = 0 ..............Nonpolar Covalent
e. N―F ...............................................Δ electronegativity = 0.94 .........Polar Covalent
For each of the following, draw the electron-dot formula and determine the shape of the molecule:
a. NF3
F
F
b.
N
F
Trigonal Pyramidal
SiBr4
Br
Br
Br
Si
Br
c.
Tetrahedral
BeCl2
d.
Linear
SO2
O
S
O
O
O
Mallory S
Bent (This is a tough one and I would not expect to see it on a Chemistry 51 test.)
Last Updated 10/09/2015
Homework – Chapter 05 Chemistry 51
Los Angeles Mission College
5.118
For each of the following, draw the electron-dot formula and determine the shape of the molecule:
a. SiH4
b.
Tetrahedral
HCCH
H
c.
C
H C
Linear
COCl2 (C is the central atom)
O
C
Cl
d.
Cl
Trigonal Planar
BCl3
F
F
B
F
Trigonal Planar
Mallory Last Updated 10/09/2015