Question

The 2,3,4questions??

Answer 1

Answer:

2. a.2,8,8,2

b.2

4a.stable elctronic configuration means An stable electronic configuration refer to an atom in which the outermost shell is complete. ... Electronic configuration is the filling arrangement of the electrons among the shells of atom at increasing energy level. One shell can hold the number of electrons according to 2n2 format.

b.because they have the tendency to give one electron to make a bond sodium donate 1 electron, magnesium donates 2 electron, aluminium donates 3 electron hence they become positive charge

sorry 3 ni aata hai

Answer 2

Answer:

Explanation:

I dont know