1.

Explain how the denisty changes across a period from k to ni and compare it with the change down the group from k to Cs respecitively

Answer»

SOLUTION :(i) comparision between different electronentering different SHELLS
(ii) variation of nuclear charge on the SIZE of the elements from k to Ni
(III) variation of he nuclear charge on elements k to cs down the GROUP
(iv) effect of nuclear charge on size
(v) relation between mass size density


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