Review | Constants | Periodic Table The three-dimensional shape of a molecule depends on the number of bonded atoms and lone pairs around the central...
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 Review | Constants

style="color:rgb(106,112,112);"> | Periodic Table

The three-dimensional shape of a molecule depends on the number of bonded atoms and lone pairs around the central atom. Because like charges repel, the molecule adopts a shape that allows the bonded atoms and lone pairs to be as far apart as possible. Very often, a two-dimensional dot structure does not accurately represent what the molecule would look like in three dimensions.Total number of

bonded atoms and lone pairs

Bonded atomLone pairsShapeBond angle220linear180º330triangular120º21bent440tetrahedral109º31pyramidal22bent

Part A

Match each two-dimensional structure to its correct three-dimensional description.

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