品詞ごとの意味
名詞 1
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties.
同位体
Carbon-12 and carbon-14 are isotopes of carbon.
炭素12と炭素14は炭素の同位体です。
同意語
最終更新時刻: 2025/05/07 01:26