Consider the following arrangement of elements : {:(1,2,13,14,15,16,17,18),("Lithium",,,"Carbon",,"Oxygen",L,"Neon"),(X,,,S,,G,Q,),(Y,,,,,,R,),(Z,,,,,,T,):} (a) Which is the most reactive metal? (b) Name the family of L, Q, R, T. (c) Name one element each from the Groups 2, 13, 15.

Consider the following arrangement of elements : {:(1,2,13,14,15,16,1

1.	Consider the following arrangement of elements : {:(1,2,13,14,15,16,17,18),("Lithium",,,"Carbon",,"Oxygen",L,"Neon"),(X,,,S,,G,Q,),(Y,,,,,,R,),(Z,,,,,,T,):} (a) Which is the most reactive metal? (b) Name the family of L, Q, R, T. (c) Name one element each from the Groups 2, 13, 15.
Answer» Solution :(a) Z is the most reactive metal. (b) Halogens. (C) Magnesium is an element of GROUP 2. BORON is an element of Group 13. Phosphorous is an element of Group 15.