noun ダウンロード 🔗共有 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. Examples : "The hydrogen atom has only one proton in its nucleus. " 水素原子の原子核には陽子が1つだけあります。 physics element chemistry science AIとチャット語彙ゲーム読解練習
