Question

2. If two elements X and Y are present on the left and right side of the same group in the periodic table, then the
atomic size of X would be more than of examine the given statement and justify your answer.
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Answer 1

Answer:

Two elements X and Y belong to Groups 1 and 2 respectively in the same period of the Periodic Table. Compare these elements with respect to :

(i) Number of electrons in their outer-most orbit.

(ii) Their atomic size and their valencies.

(iii) Their ionisation energy and metallic character.

(iv) Formulae of their chlorides and sulphates.