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प्रश्न
State one reason for keeping fluorine and chlorine in the same of the periodic table.
उत्तर
Fluorine and chlorine have a valency of 1 and show similar chemical properties. So, they are placed in the same group.
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संबंधित प्रश्न
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Give examples in support of your answer.
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An element X belong to 3rd periods and group II of the periodic table state:
the number of valence electrons,
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