Question

why covalent compounds have low melting points

Answer 1

due to the low force of attraction between the atoms of the element

Answer 2

$\huge\mathfrak\red{Heya\:Mate}$

$\huge{\boxed{\bold{ANSWER}}}$

Covalently bonded molecules are seen to have strong bonds within the molecule, but inter molecular forces are small. This gives rise to low melting and boiling point.

$\large{\bold{HOPE \:IT \:HELPS \:YOU!!!}}$