
Concept explainers
(a)
Interpretation:
The bonds in Si-O and Si-S should be labeled with δ+ and δ- to show the direction of polarity.
Concept Introduction:
The symbol δ+ is given to the less electronegative atom and the symbol δ- is given to the more electronegative atom. In bonding between atoms of different electronegativity, electrons are pulled away from less electronegative element towards the higher electronegative element.
(b)
Interpretation:
The bonds in H-F and H-Br should be labeled with δ+ and δ- to show the direction of polarity.
Concept Introduction:
The symbol δ+ is given to the less electronegative atom and the symbol δ- is given to the more electronegative atom. In bonding between atoms of different electronegativity, electrons are pulled away from less electronegative element towards the higher electronegative element.
(c)
Interpretation:
The bonds in C-B and C-Li should be labeled with δ+ and δ- to show the direction of polarity.
Concept Introduction:
The symbol δ+ is given to the less electronegative atom and the symbol δ- is given to the more electronegative atom. In bonding between atoms of different electronegativity, electrons are pulled away from less electronegative element towards the higher electronegative element.

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Loose Leaf for General, Organic and Biological Chemistry with Connect 2 Year Access Card
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