Asked by | 20th Jan, 2009, 01:56: PM
Lanthanoides are the elements in which the last electron enter into 4f orbital.
Actioides are the elements in which the last electron enter into 5f orbital.
They are kept at the bottom of periodic table because of later discovered.
Answered by | 21st Jan, 2009, 10:28: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number