The relationship between Li, Mg and Be, Al is called the ______ relationship.

What are the roots of 1, 1, and 9 respectively as per the IUPAC nomenclature, and find out its symbol?

3d transition series starts from _____ and ends with ______

Which of the following is not true about transuranium elements?

What is the correct order of electronegativity among the following options?

What is the atomic number of the element unniloctium?

The Lanthanoid series is the same as the Actinoid series.

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