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Explain Groupwise electronic configuration. |
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Answer» Solution :Elements in the same vertical column or group have SIMILAR valence shell ELECTRONIC configurations, the same number of electrons in the outer ORBITALS and similar properties. e.g. The group 1 elements (alkali metals `ns^(1)` have his valence shell electronic configuration as shown below :  Thsu it can be see that the properties of an element have periodic dependence upon its ATOMIC number and not on relative atomic MASS . |
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