Question
Question: Boron has an exceptionally high melting point in the group 13<sup>th</sup> elements, because -...
Boron has an exceptionally high melting point in the group 13th elements, because -
A
Boron has the smallest size in the group
B
Boron atoms are joined together by vanderwaals force
C
Boron is covalent solid
D
Boron has higher ionisation energy
Answer
Boron is covalent solid
Explanation
Solution
Crystalline boron have very high melting piont because it has covalent polymeric network
