The answer to each of thefollowingquestionsis a singledigitintegerrangingfrom 0 to 9. It thecorrectanswers tothe questionsnumbers A, B, Cand S (say ) are 4, 0,9and 2 respectivelythent thecorrectdarkeningof bubbles shouldbe us shownon the side :How manyof the followingelementsare s- blockelements Rb, A1 ,B , K ,S, Cd, Zn , Th, Sr .

The answer to each of thefollowingquestionsis a singledigitintegerrang

1.	The answer to each of thefollowingquestionsis a singledigitintegerrangingfrom 0 to 9. It thecorrectanswers tothe questionsnumbers A, B, Cand S (say ) are 4, 0,9and 2 respectivelythent thecorrectdarkeningof bubbles shouldbe us shownon the side :How manyof the followingelementsare s- blockelements Rb, A1 ,B , K ,S, Cd, Zn , Th, Sr .
Answer» SOLUTION :THREE i.e., RB, K and Srare s-blockelements