Question

select the correct option which explain the rule according to which electrons are filled in various energy levels options are 1.The maximum number of electrons possible in the outermost shell is 8 and that in the penultimate shell is 18 2.It is not necessary for an atom to become completed before another is formed in fact a new orbit is formed when the outermost shell attains 8 electron 3.The maximum number of electrons possible is outermost shell is 7 4.The orbits can fill in any random order​

Answer 1

Answer:

NA

Explanation: