Magadha was an important kingdom among the mahajanapadas that existed in ancient India.
Fertile and rich land, perennial rivers, excellent facilities of navigation, availability of commercial markets, etc., were the reasons...
The 6th period begins by filling the last electron in the shell with n = 6. The lowest energy subshell of any shell is ‘s’.
Therefore, the last electron of the first...
The 6th period begins by filling the last electron in the subshell ‘6s’ and ends by completing the subshell ‘6p’. Therefore, the sixth period has the subshells filled in increasing order of energy...