The property of every eight elements is similar to that of the 1st element. This is proposed by _______

The physical and chemical properties of an element are the periodic function of its _____

Henry Moseley’s law is given by the equation \(\sqrt{v}\) = a(Z – b). What do a and b represent here?

What is the atomic number of the element unniloctium?

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

Chalcogens are the elements of Group _______

The ideal gases were in ____ group of Mendeleev’s periodic table.

Ionization energies are always positive.