Which molecular shape corresponds to a molecule with a tetrahedral electron geom

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Question: Which molecular shape corresponds to a molecule with a tetrahedral electron geometry and one lone pair?

Options:

Correct Answer: Trigonal pyramidal

Solution:

A tetrahedral electron geometry with one lone pair results in a trigonal pyramidal molecular shape.

Which molecular shape corresponds to a molecule with a tetrahedral electron geometry and one lone pair?

Which molecular shape corresponds to a molecule with a tetrahedral electron geometry and one lone pair?

Step 1: Understand that 'tetrahedral electron geometry' means there are four regions of electron density around the central atom.
Step 2: Recognize that one of these regions is a lone pair, which does not contribute to the shape of the molecule.
Step 3: Identify that the remaining three regions (which are bonding pairs) will determine the molecular shape.
Step 4: Realize that with three bonding pairs and one lone pair, the shape formed is called 'trigonal pyramidal'.

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