|
Multiple Choice
Identify the choice that best completes thestatement or answers the question.
|
| |
1.
|
Which of the following would contain both covalent and ionic bonding?
|
a.
|
NaCl |
| b. |
NH 3 |
|
c.
|
H 2 SO 4 |
| d. |
CO 2 |
|
e.
|
none of the otherchoices |
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2.
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The nucleus of an atom contains ________.
|
a.
|
electrons |
| b. |
protons and neutrons |
|
c.
|
protons, neutronsand electrons |
|
d.
|
protons and electrons |
| e. |
protons |
|
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3.
|
The correct name forMg(ClO 3 ) 2 is ________.
|
a.
|
magnesium chlorate |
| b. |
manganese chlorate |
|
c.
|
magnesiumchloroxide |
|
d.
|
magnesium perchlorate |
| e. |
manganese perchlorate |
|
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4.
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The atomic number indicates ________.
|
a.
|
the number of neutrons in a nucleus |
| b. |
the total number of neutrons and protons in anucleus |
|
c.
|
the number of isotopes of an element |
| d. |
the number of protons in anatom |
|
e.
|
none of the other answers |
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5.
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How many total electrons doesthe Al 3+ ion possess?
|
a.
|
16 |
| b. |
10 |
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c.
|
6 |
| d. |
3 |
|
e.
|
13 |
|
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6.
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Aluminum reacts with a certain nonmetallic element to form a compound with thegeneral formula AlX. Element X must be ________.
|
a.
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oxygen |
| b. |
phosphorous |
|
c.
|
selenium |
| d. |
chlorine |
|
e.
|
aluminum ca notreact with anything that is a diatomic gas |
|
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7.
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Element M reacts with fluorineto form an ionic compound with the formula MF 3 . The M-ion has 18 electrons. Element M is ________.
|
a.
|
P |
| b. |
Sc |
|
c.
|
Ar |
| d. |
Ca |
|
e.
|
Cr |
|
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8.
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A calcium atom has 20 electrons. Electrons in the ________ subshell experiencethe lowest effective nuclear charge.
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9.
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Which one of the following atoms has the largest radius?
|
a.
|
they all have the same radius becuse they are in the same period |
|
b.
|
S |
| c. |
F |
|
d.
|
Cl |
| e. |
O |
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10.
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Which pair of elements would you expect to exhibit the greatest similarity intheir physical and chemical properties?
|
a.
|
C, N |
| b. |
K, Na |
|
c.
|
H, He |
|
d.
|
Si, P |
| e. |
O, Fe |
|
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11.
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The atomic radius of maingroup elements generally increases down a group because________.
|
a.
|
effective nuclear charge increases down a group |
|
b.
|
effective nuclearcharge zigzags down a group |
| c. |
effective nuclear charge increases down agroup |
|
d.
|
the principal quantum number of the valence orbitals increases |
|
e.
|
both effectivenuclear charge increases down a group and the
principal quantum number of the valence orbitalsincreases |
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12.
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Of the following, the heaviest charged subatomic particle is the ________.
|
a.
|
neutron |
| b. |
proton |
|
c.
|
electron |
| d. |
nucleus |
|
e.
|
alphaparticle |
|
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13.
|
According to VSEPR theory, if there are five electron domains in the valenceshell of an atom, they will be arranged in a(n) ________ geometry.
|
a.
|
octahedral |
| b. |
trigonal bipyramidal |
|
c.
|
trigonalplanar |
| d. |
linear |
|
e.
|
tetrahedral |
|
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14.
|
The name of the ionic compound(NH 4 ) 3 PO 4 is ________.
|
a.
|
tetrammonium phosphate |
|
b.
|
nitrogen hydrogenphosphate |
|
c.
|
ammonia phosphide |
| d. |
ammonium phosphate |
|
e.
|
triammoniumphosphate |
|
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15.
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Using the VSEPR model, the molecular geometry of the central atom inSO 2 is ________.
|
a.
|
linear |
| b. |
trigonal planar |
|
c.
|
tetrahedral |
| d. |
bent |
|
e.
|
trigonalpyramidal |
|
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16.
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Of the atoms below, ________ is the most electronegative.
|
a.
|
K |
| b. |
Cs |
|
c.
|
Mg |
| d. |
Sn |
|
e.
|
Ba |
|
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17.
|
In the Lewis symbol for a sulfur atom, there are ________ paired and__________ unpaired electrons.
|
a.
|
2, 2 |
| b. |
4, 2 |
|
c.
|
2,4 |
|
d.
|
0, 6 |
| e. |
5, 1 |
|
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18.
|
Of the atoms below, ________ has the greatest first ionization energy.
|
a.
|
Cl |
| b. |
At |
|
c.
|
Br |
| d. |
F |
|
e.
|
N |
|
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19.
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A ________ covalent bond between the same two atoms is the longest.
|
a.
|
single |
| b. |
double |
|
c.
|
triple |
| d. |
they are all the samelength |
|
e.
|
strong |
|
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20.
|
Of the following elements, which has the largest first ionizationenergy?
|
a.
|
At |
| b. |
Br |
|
c.
|
Cs |
| d. |
Na |
|
e.
|
Mg |
|
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21.
|
Between which two elements is the difference in electronegativity the greatest?
|
a.
|
S and I |
| b. |
Mg and S |
|
c.
|
Fr and S |
|
d.
|
K and Cs |
|
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22.
|
Using Lewis structure drawings, determine which molecule below will have theshortest bond length between atoms:
|
a.
|
O 2 |
| b. |
Cl 2 |
|
c.
|
P 2 |
| d. |
Br 2 |
|
e.
|
all of these havethe same bond length |
|
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23.
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Which of the following has the LARGEST radius?
|
a.
|
Sr |
| b. |
K |
|
c.
|
Li |
| d. |
Ca |
|
e.
|
Na |
|
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24.
|
Which pair of elements is most apt to form a molecular compound with each other?
|
a.
|
aluminum, oxygen |
| b. |
sulfur, fluorine |
|
c.
|
magnesium,iodine |
|
d.
|
potassium, lithium |
| e. |
barium, bromine |
|
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25.
|
Of the atoms below, ________ is the most electronegative.
|
a.
|
F |
| b. |
Cl |
|
c.
|
Br |
| d. |
N |
|
e.
|
At |
|
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26.
|
As the number of covalent bonds between two atoms increases, the distancebetween the atoms ________ and the strength of the bond between them ________.
|
a.
|
decreases, increases |
| b. |
decreases, decreases |
|
c.
|
increases, increases |
|
d.
|
increases, decreases |
| e. |
is unpredictable |
|
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27.
|
There are ______electrons, _______protons,
and ______neutrons in anatom of 20 40 Ca +2
|
a.
|
22, 20, 20 |
| b. |
20, 20, 20 |
|
c.
|
18, 20,18 |
|
d.
|
18, 20, 20 |
| e. |
42, 40, 20 |
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28.
|
In Ni (CN) 2, the charge on the cyanide ion is ------ and the numberof domains on the C atom in cyanide ion is ---------.
|
a.
|
-1, 4 |
| b. |
+2, 3 |
|
c.
|
-1,2 |
|
d.
|
+2, 4 |
| e. |
none of the otheranswers |
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29.
|
There are ______electrons, _______protons,
and ______neutrons in anatom of Cs-133
|
a.
|
132, 132, 54 |
| b. |
54, 54, 132 |
|
c.
|
78, 78,54 |
|
d.
|
55, 55, 78 |
| e. |
none of the otheranswers |
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30.
|
There are ________ paired and ________ unpaired electrons in the Lewissymbol for a Nitrogen atom.
|
a.
|
4,2 |
| b. |
2, 4 |
|
c.
|
4,3 |
| d. |
2, 3 |
|
e.
|
5,2 |
|
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31.
|
Elements ending in the electron configuration ns 1 are highly reactivemetals. What family do these elements belong to?
|
a.
|
Alkali Metals |
| b. |
Transition Metals |
|
c.
|
Halides |
| d. |
Alkaline Earth Metals |
|
e.
|
Semi-metals |
|
| |
32.
|
Which of the following correctly represents the Lewis structure forPH 3
|
a.
|
 |
| b. |
 |
|
c.
|
 |
|
d.
|
 |
| e. |
none of the answers arecorrect |
|
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33.
|
Which of the following correctly lists the five atoms in order of decreasingsize (largest to smallest)?
|
a.
|
Cs > Rb > I > Sn > Cl |
| b. |
none of the others are in the correctorder |
|
c.
|
Cs > Rb > Sn > I > Cl |
| d. |
Cs > Sn > I > Rb >Cl |
|
e.
|
Cs > I > Sn > Rb > Cl |
|
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34.
|
The element X has three naturally occurring isotopes. The masses (amu) and %abundances of the isotopes are given in the table to the right. The average atomic mass of theelement is ________ amu.
|
a.
|
219.7 |
| b. |
221.0 |
|
c.
|
220.42 |
| d. |
218.5 |
|
e.
|
220.4 |
|
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35.
|
Chromium and chlorine form an ionic compound whose formula is  . The name of this compound is ________.
|
a.
|
monochromium trichloride |
| b. |
chromium(III) trichloride |
|
c.
|
chromic trichloride |
| d. |
chromium(III) chloride |
|
e.
|
chromiumchlorine |
|
| |
36.
|
The correct name for SrO is ________.
|
a.
|
strontium oxide |
| b. |
strontium peroxide |
|
c.
|
strontiumhydroxide |
| d. |
strontium monoxide |
|
e.
|
strontium dioxide |
|
| |
37.
|
Using the VSEPR model, the molecular geometry of the central atom inCS 2 is ________.
|
a.
|
linear |
| b. |
trigonal planar |
|
c.
|
tetrahedral |
| d. |
bent |
|
e.
|
trigonalpyramidal |
|
| |
38.
|
Which of the following atoms is without lone electrons to be shared?
|
a.
|
Al |
| b. |
Be |
|
c.
|
He |
| d. |
H |
|
e.
|
all of these havelone electrons |
|
| |
39.
|
The second number of the VESPR number indicates
|
a.
|
the lone pairs on the central atom |
| b. |
the number of bonds that the central atomhas |
|
c.
|
the number of lone pairs in the entire molecule |
|
d.
|
the number of doubleand triple bonds only |
| e. |
none of the otheranswers |
|
| |
40.
|
Metals tend to ________electrons and nonmetals tend to ________ electrons.
|
a.
|
gain, gain |
| b. |
gain, lose |
|
c.
|
lose,lose |
|
d.
|
lose, gain |
| e. |
neither, they keep theirelectrons |
|
| |
41.
|
Anions tend to be ________and cations tend to be ________.
|
a.
|
metals, nonmetals |
| b. |
nonmetals, metals |
|
c.
|
nonmetals,nonmetals |
|
d.
|
metals, metals |
| e. |
metalloids,metalloids |
|
| |
42.
|
In the symbol, 6 x C, x is ________.
|
a.
|
the number of neutrons |
| b. |
the atomic number |
|
c.
|
the massnumber |
|
d.
|
the isotope number |
| e. |
radiationparameter |
|
| |
43.
|
There are ________ electrons, ________ protons, and ________ neutrons inan atom of  +1
|
a.
|
54, 54, 132 |
| b. |
54, 53, 132 |
|
c.
|
54, 55,132 |
|
d.
|
78, 78, 132 |
| e. |
132, 132, 54 |
|
| |
44.
|
The ability of an atom in a molecule to attract electrons is best quantified bythe ________.
|
a.
|
electronegativity |
| b. |
paramagnetism |
|
c.
|
atomicradius |
|
d.
|
first ionization potential |
| e. |
none of theseanswers |
|
| |
45.
|
Elements Y and X are compared. Element Y has larger radius than Element X. Basedon this you could say:
|
a.
|
A and/or B |
| b. |
A B and C |
|
c.
|
Element Y and X areprobably in the same group |
| d. |
Element Y is further to the left side of theperiodic
table |
| e. |
Element X is closer to the top of the periodictable |
|
| |
46.
|
ClF 3 has a T shape geometry. There are ----- non bonding domains inthis molecule.
|
| |
47.
|
The first ionization energies of the elements ________ as you go from left toright across a period of the periodic table, and ________ as you go from the bottom to the top of agroup in the table.
|
a.
|
increase, decrease |
| b. |
decrease, increase |
|
c.
|
stay the same,increase |
|
d.
|
are completely random |
| e. |
none of the otherchoices |
|
| |
48.
|
Atomic radius generally increases as we move ________.
|
a.
|
up a group and from right to left across a period |
|
b.
|
up a group and fromleft to right across a period |
| c. |
down a group and from right to left across aperiod |
|
d.
|
down a group; the period position has no effect |
|
e.
|
down a group andfrom left to right across a period |
|
| |
49.
|
How many total carbonate ionswould be present in the formula for aluminum carbonate?
|
| |
50.
|
In general, as you go across a period in the periodic table from
left toright:
(1) the atomic radius ________;
(2) the electronegativity ________; and
(3) thefirst ionization energy ________.
|
a.
|
decreases, decreases, increases |
| b. |
increases, increases,decreases |
|
c.
|
decreases, increases, decreases |
| d. |
increases, increases,increases |
|
e.
|
decreases, increases, increases |
|
| |
51.
|
________ typically form ions with a 2+ charge.
|
a.
|
Alkaline earth metals |
| b. |
Halogens |
|
c.
|
Chalcogens |
| d. |
Alkali metals |
|
e.
|
Transitionmetals |
|
| |
52.
|
Isotopes are atoms that have the same number of _____ but differing number of_______.
|
a.
|
protons, electrons |
| b. |
protons, neutrons |
|
c.
|
neutrons, protons |
|
d.
|
electrons, protons |
| e. |
neutrons, electrons |
|
| |
53.
|
Which pair of elements is most apt to form a molecular compound with each other?
|
a.
|
Mg, I |
| b. |
Al, O |
|
c.
|
S,F |
|
d.
|
K, Li |
| e. |
none will form a molecularcompound |
|
| |
54.
|
The name of  is ________.
|
a.
|
potassium chloride |
| b. |
phosphorous(III) chloride |
|
c.
|
phosphorus trichloride |
| d. |
trichloro potassium |
|
e.
|
monophosphoroustrichloride |
|
| |
55.
|
The correct formula ofiron(III) bromide is ________.
|
a.
|
FeBr 2 |
| b. |
FeBr 3 |
|
c.
|
FeBr |
| d. |
Fe 3 Br 3 |
|
e.
|
Fe 3 Br |
|
| |
56.
|
Which one of the followingcompounds is chromium(III) oxide?
|
a.
|
Cr 2 O 3 |
|
b.
|
CrO 3 |
| c. |
Cr 3 O 2 |
|
d.
|
Cr 3 O |
| e. |
Cr 2 O 4 |
|
| |
57.
|
Which species below is thenitride ion?
|
a.
|
Na + |
| b. |
NO 3 - |
|
c.
|
NO 2 - |
| d. |
NH 4 + |
|
e.
|
N 3- |
|
| |
58.
|
Of the atoms below, ________ is the least electronegative.
|
a.
|
At |
| b. |
Cl |
|
c.
|
Br |
| d. |
F |
|
e.
|
N |
|
| |
59.
|
According to VSEPR theory, if there are three electron domains in the valenceshell of an atom, they will be arranged in a(n) ________ geometry.
|
a.
|
octahedral |
| b. |
trigonal bipyramidal |
|
c.
|
trigonalplanar |
| d. |
linear |
|
e.
|
tetrahedral |
|
| |
60.
|
What is the correct formula forammonium sulfide?
|
a.
|
N 2 S 3 |
| b. |
(NH 4 ) 2 SO 4 |
|
c.
|
(NH 4 ) 2 S |
|
d.
|
NH 4 SO 3 |
| e. |
NH 3 S |
|
| |
61.
|
Flourine is a ________ and calcium is a ________.
|
a.
|
metal, nonmetal |
| b. |
metal, metalloid |
|
c.
|
metal,metal |
|
d.
|
metalloid, nonmetal |
| e. |
nonmetal, metal |
|
| |
62.
|
Which pair of elements is most likely to form an ionic compound with each other?
|
a.
|
nitrogen, hydrogen |
| b. |
sulfur, carbon |
|
c.
|
calcium, sodium |
|
d.
|
oxygen, fluorine |
| e. |
barium,chlorine |
|
| |
63.
|
Of the following elements, which one will NOT be found as a diatomic molecule inits elemental state?
|
a.
|
Hydrogen |
| b. |
Helium |
|
c.
|
Nitrogen |
| d. |
Oxygen |
|
e.
|
Chlorine |
|
| |
64.
|
The correct name forMg(ClO 3 ) 2 is ________.
|
a.
|
magnesium chlorate |
| b. |
manganese chlorate |
|
c.
|
magnesium chloroxide |
|
d.
|
magnesium perchlorate |
| e. |
manganeseperchlorate |
|
| |
65.
|
Cr and Cl form an ioniccompound whose formula is CrCl 3 . This compound is _____.
|
a.
|
chromium chlorine |
|
b.
|
chromium(III)chloride |
|
c.
|
monochromium trichloride |
| d. |
chromium(III) trichloride |
|
e.
|
chromic trichloride |
|
| |
66.
|
Which of the following correctly lists the five atoms in order of increasingsize (smallest to largest)?
|
a.
|
F < Ge < Br < K < Rb |
| b. |
F < K < Br < Ge |
|
c.
|
None of the choices are correct |
| d. |
F < Br < Ge < Rb |
|
e.
|
F < K < Ge < Br < Rb |
|
| |
67.
|
Which of the following has the smalles radius?
|
a.
|
K |
| b. |
Br |
|
c.
|
Cl |
| d. |
P |
|
e.
|
Na |
|
| |
68.
|
Predict the empirical formula of the ionic compound that forms from aluminum andoxygen.
|
| |
69.
|
Of the following, the smallest and lightest subatomic particle is the__________.
|
a.
|
neutron |
| b. |
proton |
|
c.
|
electron |
| d. |
nucleus |
|
e.
|
alphaparticle |
|
| |
70.
|
How many single covalent bonds must a silicon atom form to have a complete octetin its valence shell
|
a.
|
1 |
| b. |
2 |
|
c.
|
3 |
| d. |
4 |
|
e.
|
single bonds willnot allow Si to have a complete octet |
|
| |
71.
|
Predict the formula of theionic compound that forms from Calcium and Fluorine.
|
a.
|
C 2 F |
| b. |
Ca 2 F 3 |
|
c.
|
CaF 2 |
| d. |
Ca 2 F 2 |
|
e.
|
Ca 3 F 2 |
|
| |
72.
|
Of the bonds C – N, C = N, C = N the C – N bond is ________.
|
a.
|
weakest/shortest |
| b. |
weakest/longest |
|
c.
|
strongest/shortest |
|
d.
|
strongest/longest |
| e. |
it is an intermediate bond and length andstrength are irrelevant |
|
| |
73.
|
In which of the following atoms is the 3s orbital closest to the nucleus?
|
a.
|
I |
| b. |
Br |
|
c.
|
At |
| d. |
They are the same distance in all of theseatoms. |
|
e.
|
Cl |
|
| |
74.
|
Of the choices below, which oneis not an ionic compound?
|
a.
|
HBr |
| b. |
Na(HCO3) |
|
c.
|
NaCl |
| d. |
LiCl |
|
e.
|
they are allionic |
|
| |
75.
|
Of the atoms below, ________ has the least first ionization energy.
|
a.
|
Cl |
| b. |
At |
|
c.
|
F |
| d. |
Br |
|
e.
|
N |
|
| |
76.
|
Electronegativity ________ from left to right within a period and ________from top to bottom within a group.
|
a.
|
decreases, increases |
| b. |
increases, decreases |
|
c.
|
increases,increases |
|
d.
|
none of the other answers |
| e. |
stays the same,increases |
|
| |
77.
|
The formula of ammonium carbonate is ________.
|
| |
78.
|
Using the VSEPR model, the molecular geometry of the central atom inCF 4 is ________.
|
a.
|
linear |
| b. |
trigonal planar |
|
c.
|
tetrahedral |
| d. |
bent |
|
e.
|
trigonalpyramidal |
|
| |
79.
|
Between which two elements is the difference inmetallic character the greatest?
|
a.
|
O and I |
| b. |
Rb and O |
|
c.
|
Li and Rb |
|
d.
|
Rb and I |
| e. |
Li and O |
|
| |
80.
|
A diatomic molecule with a triple covalent bond is:
|
a.
|
H 2 O |
| b. |
H 2 |
|
c.
|
Cl 2 |
| d. |
N 2 |
|
e.
|
none of the otherchoices |
|
