904790
Question 1
Question
Which of the following has the longest bond?
Answer
-
H-F
-
H-I
-
H-Cl
-
H-Br
Question 2
Question
Which of the following has the longest bond?
Answer
-
H-F
-
H-I
-
H-Cl
-
H-Br
Question 3
Question
Which of the following is the shortest bond?
Answer
-
H-S
-
H-O
-
H-F
-
H-C
Question 4
Question
Which of the following is the strongest bond?
Answer
-
Mg-O
-
C-H
-
Na-Na
-
H-H
Question 5
Question
Which of the following is the strongest covalent bond?
Answer
-
C-H
-
C-F
-
C-N
-
C-O
Question 6
Question
What is the relationship between bond dipole and bond strength?
Answer
-
Bonds with larger dipoles tend to be weaker than those without dipoles.
-
Bonds with larger dipoles tend to be stronger than those without dipoles.
-
There is no relationship.
-
None of the above
Question 7
Question
Which of the following is the largest?
Answer
-
P
-
Cl-
-
K+
-
Cannot be determined
Question 8
Question
Predict the formula of magnesium argonide.
Answer
-
MgAr
-
MgAr2
-
Mg2Ar
-
None of the above
Question 9
Question
Predict the formula of magnesium argonide.
Answer
-
MgAr
-
MgAr2
-
Mg2Ar
-
None of the above
Question 10
Question
If two atoms are bonded together, one with six valence electrons, the other with four, how many electrons must they share for both to achieve a full octet?
Answer
-
6
-
8
-
3
-
2
Question 11
Question
What is the formal charge on boron in BF4 -?
Answer
-
1
-
-1
-
0
-
None
Question 12
Question
Explain why the Lewis structure for SF6 has twelve electrons around sulfur instead of eight.
Answer
-
Such a Lewis structure violates the octet rule and is incorrect.
-
Sulfur has a formal charge of -6 because S is in Group 6.
-
Sulfur can have an expanded octet.
-
None
Question 13
Question
What is the molecular geometry of I3 -?
Answer
-
Linear
-
Trigonal
-
Bent
-
Trigonal Bipyramidal
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