The following diagram shows a part of the periodic table containing first there periods in which five elements have been represented by the letters `a,b,c,d` and `e` (which are not their chemical symbols):

(i) Select the letter which represents an alkali metal.
(ii) Select the letter which represents a noble gas.
(iii) Select the letter which represents a halogen.
(iv) What type of bond is formed between `a` and `e`?
(v) What type of bond is formed between `d` and `e`?

Answer

(i) d (ii) c (ii) (iv) Covalent bond (v) Ionic bond

Explanation

NA