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Classify the following bonds as ionic, polar covalent, or
Chapter 9, Problem 40P(choose chapter or problem)
Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons: (a) the SiSi bond in \(\mathrm{Cl}_{3} \mathrm{SiSiCl}_{3}\), (b) the SiCl bond in \(\mathrm{Cl}_{3} \mathrm{SiSiCl}_{3}\), (c) the CaF bond in \(\mathrm{CaF}_{2}\), (d) the NH bond in \(\mathrm{NH}_{3}\).
Questions & Answers
QUESTION:
Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons: (a) the SiSi bond in \(\mathrm{Cl}_{3} \mathrm{SiSiCl}_{3}\), (b) the SiCl bond in \(\mathrm{Cl}_{3} \mathrm{SiSiCl}_{3}\), (c) the CaF bond in \(\mathrm{CaF}_{2}\), (d) the NH bond in \(\mathrm{NH}_{3}\).
ANSWER:
Step 1 of 4
(a) The SiSi bond in
The two “Si” atoms are identical in every respect—they are bonded to each other and
each is bonded to three other “Cl” atoms. Both are identical so, the electronegative difference is zero.
Therefore, the bond between them is purely Covalent.
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