ClO_{2}^{-}

Cl Group 7A 7 val. e^{-} x 1

O Group 6A 6 val. e^{-} x 2

-1 charge +1 e^{-}

Cl is surrounded by **4 electron groups**: 2 bonds and 2 lone pairs

Since there are 4 electron groups around silicon, the electron geometry is **tetrahedral**, whose ideal bond angle is** 109.5˚**.Recall that ** lone pairs compress the bond angle**, causing a deviation from the ideal bond angle.

ClO_{2}^{-} ideal bond angle is** 109.5˚**.

SCl_{2}

Cl Group 7A 7 val. e^{-} x 2

S Group 6A 6 val. e^{-} x 1

Predict the molecular structure and bond angle of the following.

c. ClO_{2}^{-}, SCl_{2}, PCl_{2}^{-}

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