Periodic Table of the Elements: Calcium
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 20 |
| Atomic Symbol: | Ca |
| Calciumcalcium [Lat.,=lime], metallic chemical element; symbol Ca; at. no. 20; at. wt. 40.078; m.p. about 839°C;; b.p. 1,484°C;; sp. gr. 1.55 at 20°C;; valence +2. Calcium is a malleable, ductile, silver-white, relatively soft metal with face-centered, cubic crystalline ..... Click the link for more information. | |
| Atomic Weight: | 40.078 |
| Electron Configuration: | 2 · 8 · 8 · 2 |