Chemistry Neon Basics Cheat Sheet by 7kokcmax71 December 24, 2024 1. General Information Symbol: Ne Atomic Number: 10 Atomic Mass: 20.180 u Group: 18 (Noble Gases) Period: 2 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ Valence Electrons: 8 (Full outer … Read more