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1797 in science : ウィキペディア英語版
1797 in science

The year 1797 in science and technology involved some significant events.
==Chemistry==

* Smithson Tennant demonstrates that diamond is a pure form of carbon.
* Louis Nicolas Vauquelin discovers chromium.
* Joseph Proust proposes the law of definite proportions, which states that elements always combine in small, whole number ratios to form compounds.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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