Chorine in the Periodic Table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Chorine in the Periodic Table is surrounded by the elements with atomic number 9, 16, 18 and 35.

(a) Which of these have physical and chemical properties resembling chlorine?

(b) Which is more electronegative than chlorine?

Answers:

(a) The elements having the atomic number of 9 and 35 have resembling physical and chemical properties of chlorine.

(b) The element having atomic number of 9 is more electronegative than chlorine.