クロム Chromium

原子番号２４番の元素はクロム「Cr」。

Chromium compounds are toxic when taken in large quantities but chromium is one of the important essential trace elements of the humain body.

単語ノート

compound：化合物
toxic：有毒な
in large quantities：大量に（の）
important：重要な
essential:　必須の
trace element：微量元素