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What is similarities in elements for the same groups ? |
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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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