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Java Games: Flashcards, matching, concentration, and word search. |
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Elements 81-90
Learn the ninth set of ten elements on the periodic table.
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| A | B |
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| Tl | Thallium |
| Pb | Lead |
| Bi | Bismuth |
| Po | Polonium |
| At | Astatine |
| Rn | Radon |
| Fr | Francium |
| Ra | Radium |
| Ac | Actinium |
| Th | Thorium |
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