904790
Questão 1
Questão
Which of the following has the longest bond?
Responda
-
H-F
-
H-I
-
H-Cl
-
H-Br
Questão 2
Questão
Which of the following has the longest bond?
Responda
-
H-F
-
H-I
-
H-Cl
-
H-Br
Questão 3
Questão
Which of the following is the shortest bond?
Responda
-
H-S
-
H-O
-
H-F
-
H-C
Questão 4
Questão
Which of the following is the strongest bond?
Responda
-
Mg-O
-
C-H
-
Na-Na
-
H-H
Questão 5
Questão
Which of the following is the strongest covalent bond?
Responda
-
C-H
-
C-F
-
C-N
-
C-O
Questão 6
Questão
What is the relationship between bond dipole and bond strength?
Responda
-
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
Questão 7
Questão
Which of the following is the largest?
Responda
-
P
-
Cl-
-
K+
-
Cannot be determined
Questão 8
Questão
Predict the formula of magnesium argonide.
Responda
-
MgAr
-
MgAr2
-
Mg2Ar
-
None of the above
Questão 9
Questão
Predict the formula of magnesium argonide.
Responda
-
MgAr
-
MgAr2
-
Mg2Ar
-
None of the above
Questão 10
Questão
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?
Responda
-
6
-
8
-
3
-
2
Questão 11
Questão
What is the formal charge on boron in BF4 -?
Responda
-
1
-
-1
-
0
-
None
Questão 12
Questão
Explain why the Lewis structure for SF6 has twelve electrons around sulfur instead of eight.
Responda
-
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
Questão 13
Questão
What is the molecular geometry of I3 -?
Responda
-
Linear
-
Trigonal
-
Bent
-
Trigonal Bipyramidal
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