Question

Which among the following is incorrect? 1). La is a d-block element
3)80 Hg (Mercury) is an actinide

2), U is an f-block element
4) Ra is an s-block element​

Answer 1

Answer:

The incorrect answer is C) 80 Hg(Mercury) is an actinide. Actinide means the element from Ac to Lr ie; actinoids itself

others are correct