| 6 Results |
| Group IIA: Alkaline Earths (Other (1)) |
| A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook. |
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| Calcium and Its Relatives (Article (36)) |
| Volume 04, issue 20 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932. |
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| The Calcium Family (Article (34)) |
| Volume 03, issue 21 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932. |
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