Question

(c) 03 (d) 20 10. The formula of a molecule of oxygen is: (a) o (b) O 9. The valency of an element is: (a) negative (b) positive 0. The valency of an inert gas is: (a) o (c) zero (d) positive or negative (d) 3​

Answer 1

Answer:

it's b your correct answer for your question