The element barium.
| 单词 | θ68759 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > barium > [noun] (9) Ba1802 The element barium. barium1808 A white metallic element, not found native, but as the basis of the alkaline earth baryta. First separated by Sir H. Davy in 1808. plutonium1816 Prof. Edward Daniel Clarke's name for: the element barium. Obsolete. Subcategories:— compounds (6) |
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