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: 2409544 
й 24 ؤŷ ͹Ź
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        Ť ( Alkali Metals ) : ҵ IA Сͺ (Lithium, Li) (Sodium, Na) (Potassium, K) ٺ (Rubidium, Rb) (Cesium, Cs) ù (Fransium, Fr)