noun🔗Share同位体Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms of isotopes will have the same atomic number but a different mass number."Carbon has several isotopes, including carbon-12 and carbon-14, which scientists use in dating ancient artifacts. "炭素には、炭素12や炭素14など、いくつかの同位体があり、科学者は古代の遺物の年代測定にこれらを使用します。elementchemistryphysicssciencesubstanceChat with AIVocabulary GamePractice Reading
