Consider the following molecules or ions: $H_{2}O,S{F}_4,I{F}_4,$ and $CO{F}_2.$ Answer the following questions

based on the Lewis structures and VSEPR theory prediction of their molecular shapes.

$($a$)$ Which one has only bond angles of $109\mathrm{.}5?$

$($b$)$ Which one has only bond angles of $120?$

$($c$)$ Which one has bond angles of $90$ and $180?$

$($d$)$ Which one has bond angles of $90,120,$ and $180?$