Subject :NSO Class : Class 10
The positions of four elements K, L, M and N in the periodic table are shown below :
AII and III
BI and III
CIII and IV
DNone of these
How can grp 13 and 15 be metalloids
Ans 1:
Class : Class 10
Why would (iii) be correct? Atomic size on going from left to right decreases so how would K be the smallest?