Actinium (Q2481)
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Actinium is the chemical element with the symbol Ac and atomic number 89. The atomic mass is 227.0278 (amu, g/mol).
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Actinium |
Actinium is the chemical element with the symbol Ac and atomic number 89. The atomic mass is 227.0278 (amu, g/mol). |