The positions of four elements K, L, M and N in the periodic table are shown below:Group 13Group 14Group 15K---L_Eka-aluminiumMNWhich of the following statements about these elements are correct?I. K, L, M and N are all metalloids. II. Kis a metal while L, Mand Nare non-metals. lll. Among these four elements, K is smallest in size. lV. K is a metal, L and M are metalloids, N is a non-metal. (A) Only ll and lll (B) Only I and lll (C) Only lll and lV (D) None of these

The positions of four elements K, L, M and N in the periodic table are

1.	The positions of four elements K, L, M and N in the periodic table are shown below:Group 13Group 14Group 15K---L_Eka-aluminiumMNWhich of the following statements about these elements are correct?I. K, L, M and N are all metalloids. II. Kis a metal while L, Mand Nare non-metals. lll. Among these four elements, K is smallest in size. lV. K is a metal, L and M are metalloids, N is a non-metal. (A) Only ll and lll (B) Only I and lll (C) Only lll and lV (D) None of these
Answer» (B) Only I and lll