noun🔗Share陽子A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark."The number of protons in an atom's nucleus defines what element it is. "原子核内の陽子の数は、それが何元素であるかを決定します。physicschemistryelementscienceenergysubstancestructuretechnicalcompoundChat with AIVocabulary GamePractice Reading
