Chemistry Calcium Basics Cheat Sheet by 7kokcmax71 December 24, 2024 1. General Information Symbol: Ca Atomic Number: 20 Atomic Mass: 40.08 u Group: 2 (Alkaline Earth Metals) Period: 4 Block: s-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² Valence … Read more
