The position of elements A, B, C, D in the modern periodic table is given in the following table. Answer the following questions by observing the table: {:(,"Group 1","Group 2"),("Period 3",A,B),("Period 4", C,D):} i] Which element has the highest atomic size? Why? ii] Which element has the least metallic property? Why?

The position of elements A, B, C, D in the modern periodic table is gi

1.	The position of elements A, B, C, D in the modern periodic table is given in the following table. Answer the following questions by observing the table: {:(,"Group 1","Group 2"),("Period 3",A,B),("Period 4", C,D):} i] Which element has the highest atomic size? Why? ii] Which element has the least metallic property? Why?
Answer» Solution :i] C has highest atomic size since atomic size increases down a GROUP and DECREASES along a period from left to RIGHT. ii] B has LEAST METALLIC property since metallic property increases down a group and decreases along a period.