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The atomic number of element next to $_{53}I$ in the same group is

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Answer : 85
The element $_{53}I$ belongs to the $5^{th}$ period and group 17.Its atomic number can be computed by adding the numbers 2,8,8,18 and 17.The next element will have atomic number 85(=53+32)
answered Jul 25, 2014 by sreemathi.v

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