8.1 Write down the electronic configuration of:
Atomic number of promethium is 61 and the nearest noble gas is xenon() So, atomic configuration of
CBSE organises webinar on LOC registration, correction queries for Class 10, 12 board exam 2027
CBSE Board Exam Date 2027 Highlights: Class 10, 12 exam schedule soon at cbse.gov.in
CBSE Board Exams 2027: LOC submission for Classes 10, 12 begins tomorrow; check dates and fees
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now