$4.)$ Draw in the $+$ and $-$ or full $$ and $$ symbols on the appropriate atoms in each indicated bonds below and then label each as either ionic $($I$),$ polar covalent $($PC$)$ or non$-$polar covalent $($NPC$).$

$HO-H$

$HO-Na$

$H_{3}C-H$

$H_{3}C-Li$

$C{l}_{3}P=O$

$H_{3}C-Cl$

$K-Br$

page $3$ of $6$