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GK QUESTION#3318

Which Group 13 element has atomic number 113 and the commonly tabulated predicted electronic configuration [Rn]5f¹⁴6d¹⁰7s²7p¹?

  1. AGallium
  2. BIndium
  3. CNihoniumCorrect answer
  4. DThallium
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Answer

C. Nihonium

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Explanation

Nihonium, Nh, is element 113 in Group 13. Its commonly tabulated predicted configuration is [Rn]5f¹⁴6d¹⁰7s²7p¹. It is a synthetic radioactive element with no stable isotopes.

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