Question

4. Chlorine 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 ?​

Answer 1

Explanation:

The element with atomic number 12 has same chemical properties as that of calcium. This is because both of them have same number of valence electrons (2).