chromium-53
短语释义与例句
n.
-
1.
A minor stable isotope of chromium, 5324Cr, having 24 protons and 29 neutrons; it amounts to about 9% of the element in nature
不可数 物理
A minor stable isotope of chromium, 5324Cr, having 24 protons and 29 neutrons; it amounts to about 9% of the element in nature