Chemistry: Matter and Change

Section 5: Electronegativity and Polarity

Self Check Quizzes

1
Large differences in electronegativity result in __________ bonding between atoms.

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A)covalent
B)ionic
C)no
D)polar
2
Which compound consists of nonpolar molecules?
A)H2S
B)PH3
C)AsH3
D)SiH4
3
Hydrogen has an electronegativity of 2.20, fluorine an electronegativity of 3.98. What sort of bond do they form?

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A)mostly ionic
B)polar covalent
C)mostly covalent
D)nonpolar covalent
4
Which of these molecules is polar?

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A)a only
B)b only
C)a and b
D)a and c
5
Which of the following properties does not refer to covalent network solids?

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A)brittle
B)hard
C)good conductors of heat
D)non-conductors of electricity
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