AnswersChemistry - SC3210 A-CRTypes of Chemical Bonds

Types of Chemical Bonds — Unit test Answers

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Based on its location in the periodic table, what can most likely be predicted about sulfur?

A
It has four valence electrons available for bonding.
B
It has four nonbonding electrons.
C
It has six valence electrons available for bonding.
D
It has six nonbonding electrons.
5

Which element has the lowest ionization energy?

Question illustration
A
argon (Ar)
B
bromine (Br)
C
cesium (Cs)
D
nickel (Ni)
6

Which best describes why NH4+ can form an ionic bond with Cl–?

A
Its outermost shell gains one or more electrons from Cl–.
B
Its positive charge is attracted to the negative charge of Cl–.
C
It has a negative charge that is spread over the entire ion.
D
It has a nitrogen atom that is strongly attracted to Cl–.
7

Which molecular geometry is least likely to occur with sp3 hybridization?

A
tetrahedral
B
trigonal planar
C
bent
D
trigonal pyramidal
9

Which is a property of covalent compounds?

A
They ionize in solution.
B
They tend to be very hard.
C
They have a low boiling point.
D
They have a high melting point.
10

Which of the following do Lewis structures help us understand?

A
the exact structure of a molecule
B
the number of electrons that are involved in the bonding of the molecule
C
the total number of electrons in a molecule
D
how electrons attract other electrons in a molecule
11

Which is the IUPAC name of O3?

A
dioxide
B
oxygen
C
trioxygen
D
monoxide
15

What name should be used for the ionic compound KOH?

A
potassium oxide
B
potassium oxygen hydride
C
potassium hydroxide
D
potassium hydrogen oxide

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