Chemistry

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 …

1. General Information Symbol: K Atomic Number: 19 Atomic Mass: 39.10 u Group: 1 (Alkali Metals) Period: 4 Block: s-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ Valence Electrons: …

1. General Information Symbol: Ar Atomic Number: 18 Atomic Mass: 39.95 u Group: 18 (Noble Gases) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ Valence Electrons: 8 …

1. General Information Symbol: Cl Atomic Number: 17 Atomic Mass: 35.45 u Group: 17 (Halogens) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁵ Valence Electrons: 7 Phase …

Is it Sulfur or Sulphur 1. General Information Symbol: S Atomic Number: 16 Atomic Mass: 32.06 u Group: 16 (Chalcogens) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² …

1. General Information Symbol: P Atomic Number: 15 Atomic Mass: 30.97 u Group: 15 (Pnictogens) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p³ Valence Electrons: 5 Phase …

1. General Information Symbol: Si Atomic Number: 14 Atomic Mass: 28.09 u Group: 14 (Carbon Group) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p² Valence Electrons: 4 …

1. General Information Symbol: Al Atomic Number: 13 Atomic Mass: 26.98 u Group: 13 (Boron Group) Period: 3 Block: p-block Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p¹ Valence Electrons: 3 …

1. General Information Symbol: Mg Atomic Number: 12 Atomic Mass: 24.305 u Group: 2 (Alkaline Earth Metals) Period: 3 Block: s-block Electron Configuration: 1s² 2s² 2p⁶ 3s² Valence Electrons: 2 …

1. General Information Symbol: Na Atomic Number: 11 Atomic Mass: 22.99 u Group: 1 (Alkali Metals) Period: 3 Block: s-block Electron Configuration: 1s² 2s² 2p⁶ 3s¹ Valence Electrons: 1 Phase …