Among the elements A, B, C and D having atomic numbers 7,8,9 and 12 the element having smallest size is _____

Among the elements A, B, C and D having atomic numbers 7,8,9 and 12 th

1.	Among the elements A, B, C and D having atomic numbers 7,8,9 and 12 the element having smallest size is _____
Answer» `A GT B gt C gt D` `B gt A gt D gt C` `B gt A gt C gt D` `D gt C gt B gt A` ANSWER :B