explain me concepts of modern periodic table.
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Answer:
it help us to know about e.c
valence eclectrons
easy to learn
The beginning of the 20th century within profound development in theories about sub atomic particles .
In 1913, the English physics Henry moseley The observed regulator is in the characteristics x-ray spectra of the elements .
A plot of root V against atomic number give a straight line and not the plot of root V vs atomic mass.
He there by so that the atomic number is a more fundamental property of an element than its atomic mass.
Mendeleev periodic law was therefore accordingly modified this is known as the modern periodic law and can be started as:
The physical and chemical properties of the elements are periodic functions of their atomic numbers.
The periodic law rebelled important analogies among the 94 naturally occurring elements .
It stimulated renewed interest in inorganic chemistry and has carried into the present with the creation of artificially produced short lived elements .