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प्रश्न
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
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उत्तर
Second Period: Fluorine < Oxygen < Nitrogen < Carbon < Boron < Beryllium < Lithium.
Third Period: Chlorine < Sulphur < Phosphorus < Silicon < Aluminum < Magnesium < Sodium.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
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Right or wrong sentence.
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Which of the following gives the correct increasing order of the atomic radii of O, F and N?
