# Question #69caa

Jan 28, 2016

here is how

#### Explanation:

$x = \frac{1}{2} \left[n - m - {p}^{+} + {p}^{-}\right]$
where,
x= number of hybrid orbitals
n= number of electrons in the valence shell of the central atom
m=number of 1-valance atom
${p}^{+}$=crarge of cation
${p}^{-}$=charge of anion.