Question

why does magnisium chloride have a higher melting point than sodium chloride? answer quickly, will mark the brainliest answer

Answer 1

because they higher ionic bond than sodium chloride
$mg { }^{2 + } \: \: o {}^{2 - }$
and sodium chloride have
$na {}^{ + } \: cl { }^{ - }$
I think your doubt would be clear