How will you describe the position of a table lamp on your study table to another person?

Discuss the position of lanthanides in the periodic table.

Justify the position of Hydrogen in the periodic table.

Describe the setting position of any five students in your classroom.

How were the positions of different isotopes decided in modern periodic table?

Discuss the position of hydrogen in the periodic table is not justified.

Explain the position of d-block elements in the periodic table.

How were the positions of cobalt and nickel resolved in the Modern Periodic Table?

What will be the position of the daughter nucleus in the periodic table, when beta^(+) and beta^(-) decays take place? Give an example under each.

Explain how can you take care of your eyes .