Question

8. a) State the modern periodic law.
(5)
b) How does the electronic configuration of the atom of an element relate to its position in the modern periodic
table?
c) How does the modern periodic law remove various anomalies of Mendeleev's periodic table? Explain with
examples.​

Answer 1

Answer:

Answer for modern periodic law is in the above photograph

Answer 2

Answer:A.THE PHYSICAL AND CHEMICAL PROPERTIES OF ELEMENTS ARE REPEATED ACCORDING TO THEIR INCREASING ATOMIC NUMBER PERIODICALLY. THE NUMBER OF PERIODS DETERMINED BY THE NUMBER OF SHELLS OF THAT PARTICULAR ATOM OF ELEMENTS GROUP NUMBER IS DETERMINED BY NUMBET OF ELECTRON PRESENT IN THE OUTERMOST SHELL.THE REMOVAL OF VARIOUS ANAMOLIES ARE -1. THE MODERN PERIODIC TABLE ARE ARRANGED ON THEIR INCREASING ATOMOC NUMBER .2. IT REMOVED THE REALTION OF CERTAIN PAIRS OF ELEMENTS.

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