Question

1)when electron gain energy then they jump on higher shell .then what happens to it's previous shell?
2) after gaining energy why electron wants to stable himself.​

Answer 1

Answer:

1 . the electron jumps from the valence shell and jump to the nearest shell to the nucleus

the previous shell being empty destroys.

2. inorder become inactive by acquiring the valency of noble gas such as he , ne , ar .