Answers

2015-10-20T12:02:11+05:30
The chemical and physical properties of elements depends upon electrknic configuration.
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2015-10-20T15:57:04+05:30
To know valency of the atom
To know the block of the atom
to know number of valency electrons
To know the type of bond
To know whether it is a metal or non metal
to know the reactivity of the atom
To know the period and group of the element

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