The correct order of second I.E. of C, N, O and F are in the order : — Periodic Table and Periodicity Chemistry Question

💡 Solution & Explanation

Step 1: Identify the origin of the names of the given elements. Step 2: Hg (Mercury) is named after the Roman god/planet Mercury, but option (c) is Pu (Plutonium), which is named directly after the planet Pluto. Step 3: Conclude that Plutonium (Pu) is named after the planet Pluto, so (c) is the correct answer.