High melting point of boron is due to its existence as
Boron has a melting point of 2353 Kelvin and this is because boron atoms have small covalent bonds which makes the atom compact and hence it has a high melting point...~
Small covalent molecule
Lets check the Electronic configuration
z=5
[tex]\\ \rm\hookrightarrow 1s^22s^22p^1[/tex]
Option A is correct
