13. Given below is the periodic table with elements represented by false symbols. From the table identify the following: a) Element with smallest atomic
size. b) Any two alkaline earth metals. c) Element with atomic number 7. d) Noble gases e) Will T be more metalic than D? Why? f) Which has a larger size K and L? Why? g) Which is more reactive I or Q? i) Pick out the elements of the third period with valency 2.