Question

(i) What is the common feature of the electronic configurations of the elements at the end of ** 2 and ** 3?

(ii) If an element is in Group 7 (or Group 7A) is it likely to be metallic or non-metallic character?

(iii) Supply the missing word from those in brackets. If an element has one electron in its outermost energy level (shell) then it is likely to be (metallic/non-metallic)

Answer 1

(i) The atoms of the elements at the end of ** 2 and ** 3 contains 8 electrons in their outermost shell.

(ii) Non-metallic.

(iii) Metallic.