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Determining Bond Types: Ionic, Polar Covalent, or Covalent in Chemical
Chapter 9, Problem 9.39(choose chapter or problem)
Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons:
(a) the CC bond in \(\mathrm{H}_{3} \mathrm{CCH}_{3}\)
(b) the KI bond in KI
(c) the NB bond in \(\mathrm{H}_{3} \mathrm{NBCl}_{3}\)
(d) the CF bond in \(\mathrm{CF}_{4}\).
Questions & Answers
QUESTION:
Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons:
(a) the CC bond in \(\mathrm{H}_{3} \mathrm{CCH}_{3}\)
(b) the KI bond in KI
(c) the NB bond in \(\mathrm{H}_{3} \mathrm{NBCl}_{3}\)
(d) the CF bond in \(\mathrm{CF}_{4}\).
ANSWER:Step 1 of 2
A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non-metals.
A polar covalent bond is defined as a bond that is formed when there is a difference in electronegativities between the atoms.
An ionic bond is formed when an element completely transfers its valence electron to another element. This bond is formed between a metal and a non-metal.
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Determining Bond Types: Ionic, Polar Covalent, or Covalent in Chemical
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This discussion revolves around the classification of chemical bonds as ionic, polar covalent, or covalent based on the electronegativity difference between the atoms involved. The general criteria for this classification are explained: a difference greater than 1.7 indicates an ionic bond, between 0.5 and 1.7 signifies a polar covalent bond, and less than 0.5 designates a covalent bond. It then applies these criteria to four specific examples, including the CC bond in ethane (H?CCH?), the KI bo