Give the formula of a fluoride molecule that:
(a) is octahedral in shape
(b) is trigonal bipyramidal in shape
(c) is T-shaped

Explanation

To solve the question, we need to identify fluoride molecules that correspond to the specified molecular shapes: octahedral, trigonal bipyramidal, and T-shaped. Let's break this down step by step.

### Step 1: Octahedral Shape
1. **Identify the central atom**: The octahedral shape typically involves a central atom bonded to six other atoms.
2. **Example**: A well-known example of a molecule with an octahedral shape is sulfur hexafluoride (SF₆).
3. **Explanation**: In SF₆, sulfur (S) is the central atom and is surrounded by six fluorine (F) atoms. The hybridization of SF₆ is sp³d², which allows for the octahedral geometry.

**Formula**: SF₆
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