two radioactive S block elements?
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As the s-orbital can accommodate only two electrons, two groups (1 & 2) belong to the s-block of the Periodic Table. Group 1 of the Periodic Table consists of the elements: lithium, sodium, potassium, rubidium, caesium and francium. They are collectively known as the alkali metals
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Ans: FRANCIUM (Fr) and RADIUM(Ra)
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