(Polar molecules, Non-polar molecules, etc.)
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A central atom with only four bonding pairs will have a tetrahedral shape. Exceptions start to arise when lone pairs get introduced. For example, a central atom with four bonding pairs and one lone pair will have a molecular geometry of seesaw. We'll most likely go in depth on this topic on Friday.
A central atom with four bonding regions will always be known as a tetrahedral for its domain geometry BUT if there are lone pairs attached to the central atom this will change. Eventually we will cover molecular geometries which will allow us to name molecules with lone pairs attached to the central atom more specifically, so we won't refer to the structure just as a tetrahedral anymore, but something more specific according to the number of bonds and lone pairs of electrons.
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