", J , '/ ,' /
Cumulative
Standardized Test Practice
or
SiI ~ is tetraiodosilane, What is
its molecular compound name?
A . silane tetraiodide
B. silane tetraiodine
C. silicon iodide
D. silicon tetraiodide
1. The common name
6. Th e centra l selenium atom in selenium hexafluo­
ride (arms an expanded octet. How man y electron
pairs surround the central Se atom?
A . 4
C. 6
B. 5
D. 7
Use the table below 10 answer Questions 7 and 8.
I
2. Which compound contains at least one pi bond?
(
CO~
A.
B. CHCl 3
C. As!}
D. Bef 2
Use th e graph belo w to answer Q uestio ns 3 and 4.
345
N""N
O-H
416
(-0
358
(=0
745
0=0
498
3Q5
5
>- 4
...
:~
H- I
299
H-N
391
--
13
«i 3
~
a.o
c:
e
t
7. Which diatomic gas has the shortest bond between
its two atoms?
A. HI
B. O 2
2
a.o
WI
o
I
-
-
-
II
II
1 2 3 4 5 6 7 8 9 10 111213 14151617 181920
8 . Approximately how much energy will it take to
break all the bonds present in the molecule below?
Atomic number
3. What is the electronegat ivity of the element with
atomic numb er 14?
A. I.S
B. 1.9
C. 2.0
D.2 .2
H
number
number
number
number
3 and
7 and
4 and
8 and
atomic
atomic
atomic
atomic
number
number
number
number
·
.
..
·.
c. ·S : 5i : 5.
D. : S : Si:S :
278
Chapter 8 • Assessment
"/
H-(
HI
A.
B.
C.
D.
4
8
J8
12
3024
4318
4621
5011
c
1" r
H (
0
>.
H
0"
klimat
kl/rnol
kl/rnol
kl/rnol
9. Which compound does NOT have a bent molecular
shape?
A. BeH z
B. HzS
5. Wh ich is the Lewis structure for silicon disulfide?
A. : 5:: Si :: 5:
B. 5 : :5 i:: 5
H
1
H
4. An ionic bond would form between which pairs of
elem ents?
A. atomic
B. atomic
C. atomic
D . atomic
"N/
10. Which compound is nonpola r?
A. HzS
C. SiH 3CI
B. CCl 1
D . AsH 3
~
Chemi~'1 l i "lS
_L
_
_
-­
Standardized Test Practice p~~
14.