The IUPAC nomenclature of an element with electronic configuration [Rn] 5f 6d 7s is:

🧠 Count the electrons to find Z, then translate Z digit-by-digit using IUPAC roots The configuration tells you the atomic number. The IUPAC system for elements above Z=100 spells the digits of the atomic number using fixed Latin/Greek roots. 🗺️ Find Z . Rn has . Add the extra electrons: . So . Decode 103 with IUPAC roots The roots are: 0 = nil, 1 = un, 2 = bi, 3 = tri, 4 = quad, 5 = pent, 6 = hex, 7 = sept, 8 = oct, 9 = enn. Digits of 103: 1, 0, 3 → un + nil + tri + ium → Unniltrium. ⚠️ The

PERI-038: The IUPAC nomenclature of an element with electronic co... | JEE Main 2022 · Jul · S-I

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