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a covalent bond may also be called as (Valence Shell Electron Pair Repulsion)

since you have asked for a practice problem here is one u might like :

for the compound XeO2F2

1. How many things are around a central atom ? 

2.What structure is this molecule based on?
3.Which atoms are replaced by lone electron pairs?
4.what is the final structure and what are the bond angles

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