Group-18

Quick Revision - P Block-Group 16 to 18

What is the group number of the modern periodic table in which zirconium belongs (atomic number of Zr- 40) (In the scale of Group Number 1 - 18)

A selection committee of school selected 2000 girls for scholarship of different age. The data obtained are given in the following table: Find the probabilities of the girls selected for scholarship in following age group. 11 - 18

The elements of group 1,2,13,14,15,16,17,18 are collectively called

Which of the following statement(s) is // are correct regarding anomalous behaviour of first member of group 13-18 elements ? I. This is due to the absence of d-orbital in valence shell. II. This is due to the presence of p-orbital in valence shell. III. This is due to the presence of d-orbital in valence shell. Choose the correct option.