Calcium
Revision as of 05:56, 22 June 2021 by Michel Lamontagne (talk | contribs)
| Ca | 20 |
| Calcium | |
Abundance: 3%
Calcium, periodic table Ca, is a solid at room temperature. It has 20 protons and it's most common isotope is 40Ca.
Calcium should be common on Mars .
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