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Question:

Which element do you think would have been named by
(i) Lawrence Berkeley Laboratory
(ii) Seaborg’s group?

Answer:

(i) 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).

(ii) Seaborgium (Sg) with Z = 106 is a d-block element present in 7th period and 6th column of periodic table.


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