Each question in this quiz is timed.
Which of the following has the longest bond?
H-F
H-I
H-Cl
H-Br
Which of the following is the shortest bond?
H-S
H-O
H-C
Which of the following is the strongest bond?
Mg-O
C-H
Na-Na
H-H
Which of the following is the strongest covalent bond?
C-F
C-N
C-O
What is the relationship between bond dipole and bond strength?
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
Which of the following is the largest?
P
Cl-
K+
Cannot be determined
Predict the formula of magnesium argonide.
MgAr
MgAr2
Mg2Ar
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?
6
8
3
2
What is the formal charge on boron in BF4 -?
1
-1
0
None
Explain why the Lewis structure for SF6 has twelve electrons around sulfur instead of eight.
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.
What is the molecular geometry of I3 -?
Linear
Trigonal
Bent
Trigonal Bipyramidal