OVSSCH4U Unit1 Test Questions And Answers Rated A+ New Update Assured Satisfaction

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Part A: Knowledge and Understanding ( /15)

1. The molecular geometry of the SF2 molecule is
a. linear
b. bent
c. trigonal planar
d. tetrahedral
e. octahedral

2. Which of the following could be the Lewis structure for sulfur trioxide?




a. b.




c. d.




e.

, 3. The geometry of ICl 4-, as predicted by VSEPR, is best described by the following:
a. pyramidal
b. tetrahedral
c. square planar
d. cuboidal
e. trigonal

4. Which of the following molecules will have a Lewis dot structure with exactly one
unshared electron pair on the central atom?
a. H2O
b. PH3
c. PCl5
d. CH2Cl2
e. BeCl2

5. Which of the following lists species in order of increasing boiling points?
a. H2, N2, NH3
b. N2, NH3, H2
c. NH3, H2, N2
d. NH3, N2, H2
e. H2, NH3, N2

6. The noble gas configuration of a ground state Cd atom is
a. [Ar] 4s2 4d10
b. [Kr] 5s2 4d10
c. [Kr] 5s1 3d11
d. [Ar] 4s1 4p6 4d5
e. [Kr] 5s2 4d9

7. The central atom in this molecule forms sp2 hybrid orbitals.
a. BF3
b. CO2
c. H2O
d. CF4
e. PH3

8. This molecule has a linear structure.
a. BF3
b. CO2
c. H2O
d. CF4
e. PH3