Question

How does the electronic configuration in atoms change
(i) in a period from left to right?
(ii) in a group from top to bottom ?व्हाट आर मैटेलॉयड्स ​

Answer 1

Answer:

Answer. Atomic Size in a Period Decreases from Left to Right. As we move from left to right across a period, thenumber of electrons in the outer energy level increases but it is the same outer energy level. the electron configuration for the elements in Period 2.