Chemistry / Unit 6 Chem 1018 short lesson, about 20 seconds
Bond Length and Bond Order
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The idea
Bond length shortens as bond order rises from single to double to triple between the same two elements.
In practice
A carbon-carbon triple bond measures shorter than a carbon-carbon double bond, which measures shorter than a single bond.
Where people slip
Bond order predicts length reliably only between the same element pair; comparing across different pairs mixes in other factors.
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