Shapes of Molecules and Carbon Structures

Chemistry Unit 2

Shapes of Molecules:

Molecular shapes depend on electron pairs around central atom. Electron pairs repel each other (lone pairs repel more than bonded pairs)

Lone Pair + Lone Pair          >       Lone Pair + Bonding Pair    >      Bonding Pair + Bonding Pair

Bond angles biggest                     Bond angles 2^nd biggest              Bond pair angles the smallest

Known as electron repulse theory … (DRAW IN)

Regular Shapes:

Bond Pairs                            Shape                          Angles

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