Sodium oxide $(N{a}_{2}O)$ is used in the manufacture of glass and ceramic products. Calculate the coulomb force of attraction between $N{a}^{+}$and $O^{2-}.$ Given $r_{N{a}^{+}}=0\mathrm{.}227nm,r_O^{2-}=0\mathrm{.}132nm,K=9{10}^{9}V.\frac{m}{C},$ and charge $q=1\mathrm{.}6{10}^{-19}C.$

$1\mathrm{.}78{10}^{-9}N$

$2\mathrm{.}74{10}^{-9}N$

$9\mathrm{.}95{10}^{-9}N$

$3\mathrm{.}57{10}^{-9}N$