7. Metals and Nonmetals

) Which of the following electronic configurations is of nonmetal? A ) (2, 5) B ) (2, 8, 1) C ) (2, 8, 3) D ) (2, 8, 2) Ans A ) (2, 5) ) A greenish color deposit is formed on silver by its reaction with hydrogen sulphide gas. A ) False B ) […]