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

3d transition series starts from _____ and ends with ______

Which block elements are known as inner transition elements?

Which of the following is not Dobereiner triad?

The periodic functions of the ______ are the properties of respective elements.

What happens to the non-metallic nature as we move from left to right in groups?

______ has both the characteristics of Alkali metals and halogens.

The p-block elements along with s-block elements are called as ____ elements.