According to IUPAC nomenclature, the name of element having atomic number 116 is — Periodic Table and Periodicity Chemistry Question

💡 Solution & Explanation

# IUPAC Nomenclature for Element 116 **Step 1: Identify the element** Element with atomic number 116 is a superheavy synthetic element in Group 16 (chalcogens), Period 7. **Step 2: Apply IUPAC systematic nomenclature** For elements with atomic number > 118 (or those not yet officially named), IUPAC uses a systematic naming system based on atomic number digits: - 1 = un, 2 = bi, 3 = tri, 4 = quad, 5 = pent, 6 = hex, 7 = sept, 8 = oct, 9 = enn, 0 = nil **Step 3: Break down atomic number 116** - 1 → **un** - 1 → **un** - 6 → **hex** **Step 4: Combine with standard ending** Following IUPAC rules, the name is formed as: $$\text{un + un + hex + ium} = \textbf{Ununhexium}$$ The final "ium" ending denotes it as a chemical element. **Note:** Element 116 was officially named **Livermorium (Lv)** in 2012 by IUPAC, but according to the systematic nomenclature rules, the answer is **Ununhexium**.