Give reasons for the anomalous behaviour of Li. Write any four points of similarities between Li and Mg.

Give reason for anomalous behaviour in group 2.

List any two similarities between Be and AI.

Give two examples to show the anomalous behaviour of fluorine.

Epididymis lies between

Lithium of first group resembles Mg of second group. List any two similarities between Li and Mg.

Lithium and Magnesium belong to 1st and 2nd groups in the periodic table. They resemble each other in many respects.(i) Name such relationship.(ii) Give any one similarity between Li and Mg.

Write any four postulates of the kinetic theory of gases.

Write the similarities between 'V . B', theory and 'M.O'. Theory

Write any two differences between DNA and RNA.