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    alkali metal: Alkali metal, any of the six elements of Group 1 (Ia) of the periodic tablelithium, sodium, postassium, rubidium, cesium, and francium.

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    alkali metal: Alkali metal, any of the six elements of Group 1 (Ia) of the periodic tablelithium, sodium, postassium, rubidium, cesium, and francium.

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    256. CHEMISTRY. In reactions (8.1) and (8.2), the elements magnesium and sulphur are oxidised on account of addition of oxygen to them. Similarly, methane is oxidised ...

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