chromium-52
短语释义与例句
n.
-
1.
The major stable isotope of chromium, 5224Cr, having 24 protons and 28 neutrons; it amounts to about 84% of the element in nature
不可数 物理
The major stable isotope of chromium, 5224Cr, having 24 protons and 28 neutrons; it amounts to about 84% of the element in nature