Table of Contents
20
Atomic Number
Calcium
| Element & Symbol | Atomic Number | Major Use(s) |
|---|---|---|
| Calcium (Ca) | 20 | Steelmaking (desulfurizer), cement/mortar, dietary supplement (bones), antacid. |

Soft, silvery-gray alkaline earth metal; essential for living organisms.
Previous
Scandium 21
Next
Potassium 19
Leave a Comment
Thank you for your comment!
It will appear after review.