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