a] Mention the relative position of metals, non-metals, and metalloids in group 13-16 of the periodic table. b] Classify the following elements as metals, non-metals, and metalloids. (i) Calcium (ii) Sulphur (iii) Selenium

a] Mention the relative position of metals, non-metals, and metalloids

1.	a] Mention the relative position of metals, non-metals, and metalloids in group 13-16 of the periodic table. b] Classify the following elements as metals, non-metals, and metalloids. (i) Calcium (ii) Sulphur (iii) Selenium
Answer» Solution :a] In group 13, first element is a METALLOID while the rest of the elements are metals. In group 14, Ist element is a non-METAL, 2nd and 3rd elements are metalloids, and the rest of the elements are metals. In group 15, 1st and 2nd elements are non-metals, 3rd element is a metalloid, and the rest are metals. In group 16, first 3 elements are nonmetals, next two are metalloids, and the remaining one is a metal. b] CALCIUM is a metal, sulphur and selenium are non-metals.