noun🔗Share中性子A subatomic particle forming part of the nucleus of an atom and having no charge; it is a combination of an up quark and two down quarks."The nucleus of a helium atom contains two protons and two neutrons. "ヘリウム原子の核には、2つの陽子と2つの中性子が含まれています。physicselementpartsciencechemistryenergymassChat with AIVocabulary GamePractice Reading
