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Section 1: The Covalent Bond

The Covalent Bond

1.

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Which of the following bond length represents the strongest bond?
A)0.95 x 10-10m
B)1.10 x 10-10 m
C)1.21 x 10-10m
D)1.43 x 10-10m
2.
When two or more atoms join together by sharing their outermost electrons, ________.
A)an ionic compound is formed
B)a molecular compound is formed
C)a mixture is formed
D)a solution is formed
3.
Single covalent bonds are also referred to as ___________.
A)sigma bonds
B)pi bonds
C)delta bonds
D)hydrogen bonds
4.
What is the charge on the simple monatomic ion that sulfur forms?
A)1+
B)2+
C)1–
D)2-
5.
How many sigma and how many pi bonds are present in the ethene molecule (C2H4)?
A)4 sigma and 2 pi
B)5 sigma and 2 pi
C)4 sigma and 1 pi
D)5 sigma and 1 pi
6.
Side—on overlaps of atomic orbitals are also referred to as ___________.
A)sigma bonds
B)pi bonds
C)delta bonds
D)hydrogen bonds
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