Question

HOW DOES ELECTRONIC CONFIGURATION OF AN ATOM RELATED TO ITS POSITION IN THE MODERN PERIODIC TABLE? GIVE EXAMPLE

Answer 1

The position of an atom/element in the periodic table is related to the number of electrons in the outermost shell. In agiven column or group, all elements have the same number of electrons in their outermost shells. For example, in group 2, all elements have two electrons in their outermost shell.
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Answer 2

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here's your ans.....

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=>The period no. of an element is equal to the number of electron shells in its atom.
=>If two elements have the same number of valance shell, then they belong to same period.
=>If two or more element have the same number of valance electrons they belong to same group.

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