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The valence shell electronic configuration of Rb is ______.

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Important Questions on s-Block Elements

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The valence shell electronic configuration of alkali metals is _______.                               
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Which of the following does not illustrate the anomalous properties of lithium?
                                                                                               
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Lithium shows similarities to magnesium in its chemical behaviour because of __________.    
                                                                                                                     
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The magnitude of which of the following property of alkali metals increases with the increase of the atomic number?
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When sodium is heated with moist air, then the ultimate product obtained is________.  
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Which of the alkali metals, forms only the normal oxide, M2O, on heating in air?