Class 11
Chemistry :-NCERT Solution - Classification of elements and periodicity in properties.
Question 7
Which element do you think would have been named by
(i) Lawrence Berkeley Laboratory
(ii) Seaborg’s group?
Answer:
Answer
- Lawrencium (Lr) with Z = 103 is an actinide which involves the filling of 5f orbital and Berkelium (Bk) with Z = 97 is an actinide which involves the filling of 5f orbital (both of them are f block elements).
- Seaborgium (Sg) with Z = 106 is a d- block element present in 7th period & 6th column of periodic table.