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InterviewSolution
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The atomic radii of three elements A, B and C of a periodic table are 186 pm, 104 pm and 143 pm respectively. Giving a reason, arrange these elements in the increasing order of atomic numbers in the period. |
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Answer» SOLUTION :Order of atomic NUMBER of element is as follows: `AltCltB` Because atomic SIZE generally decreases along a period, so B has the HIGHEST atomic number followed by C and A. |
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