Question

(c) Particle A is an inert gas except helium. Predict the number of valance shell electrons,
combining capacity and type of element, the following symbols represent, based on the hints
given:

(i) Atomic number of B is A+4. Predict its electronic configuration if the atom has a total of three
electronic shells.
(ii) Atomic number of C is A -2. Write the formula of the compound it will form with hydrogen.
(iv) Atomic number of D is A -6. What will be the minimum number of electronic shell it can
have?​

Answer 1

Answer:

lol I don't now but please mark me as brain list