SAT Chemistry Practice Test: Bonding

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Question 10 questions

Time 7 minutes

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1. When the electronegativity difference between two atoms is 2, what type of bond can be predicted?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

2. If two atoms are bonded in such a way that both members of the pair equally share one electron with the other, what is the bond called?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

3. Which of the five choices is considered the weakest bond in the group?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

4. Which of the above bonds explains water's abnormally high boiling point?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

5. If the sharing of an electron pair is unequal and the atoms have an electronegativity difference of 1.4 to 1.6, what is this type of sharing called?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

6. If an electron is lost by one atom and completely captured by another, what is this type of bond called?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

7. If one or more valence electrons become detached from the atoms and migrate in a "sea" of free electrons among the positive metal ions, what is this type of bonding called?

A. ionic
B. covalent
C. polar covalent
D. metallic
E. hydrogen bonding

8. Maximum repulsion between two electron pairs in a molecular compound will result in a linear structure

BECAUSE

the VSEPR model says that like charges will orient themselves so as to diminish the repulsion between them.

A. T,F
B. F,T
C. T,T
D. F,F
E. T,T,CE

9. Sodium chloride is an example of ionic bonding

BECAUSE

sodium and chlorine have the same electronegativity.

A. T,F
B. F,T
C. T,T
D. F,F
E. T,T,CE

10. Ammonia has a trigonal pyramidal molecular structure

BECAUSE

ammonia has a tetrahedral electron pair geometry with three atoms bonded to the central atom.

A. T,F
B. F,T
C. T,T
D. F,F
E. T,T,CE