How many lone pairs are on the central atom in XeH4?

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Similarly, how many lone pairs are on the central atom of F 3?

There are five groups around the central atom, three bonding pairs and two lone pairs.

how many atoms or sets of lone pair of electrons surround the central atom of cf4? Four electron pairs arrange themselves in space in what is called a tetrahedral arrangement. A tetrahedron is a regular triangularly-based pyramid. The carbon atom would be at the centre and the hydrogens at the four corners. All the bond angles are 109.5°.

Also to know, how many lone pairs does XeF4 have?

2 lone pairs

How many lone pairs are in HBr?

4 lone pairs