Question

Atomic
size of c carbon is less
than that of boron, explain
reason.​

Answer 1

Answer:

The size of carbon is less than that of Boron, because the Z-effective of carbon is more than Boron ,so atomic size of boron is less than carbon as because Z-effective is inversely proportional to atomic size

Answer 2

Explanation:

because carbon contain a strong ness than boron so carbon allotrop and carbon are making a small cycloelectron circle

so hope you understand ans is right as you thought