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प्रश्न
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
टीपा लिहा
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उत्तर
Electron Negativity in a group decreases from top to bottom.
All these elements belong to group I.
Li > Na > K > Rb > Cs
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Periods and Electronic Configuration - Electronegativity
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