The element ________ is also known as Unnilunium.

3d transition series starts from _____ and ends with ______

Which of the following period is the shortest one?

The graph of \(\sqrt{v}\) Vs Z gives a straight line.

The horizontal rows in Mendeleev’s periodic table were called as ______

Which of the following is not Dobereiner triad?

What are the d-block elements called?

For the 115th element _____ is the name as per IUPAC nomenclature and ______ is the official name.