英語 English:Hydrogen日語 Japanese:水素 (すいそ)定義 Definition:Hydrogen is an element with atomic number 1. At normal temperature and pressure, hydrogen appears as a hydrogen molecule ($H_2$) in our daily li...
英語 English:Oxygen日語 Japanese:酸素 (さんそ)定義 Definition:Oxygen is an element with atomic number 8. At standard temperature and pressure, oxygen appears as an oxygen molecule ($O_2$) in our daily life. W...
英語 English:Uranium日語 Japanese:ウラン定義 Definition:Uranium is an element with atomic number 92. At standard temperature and pressure, uranium appears as solid metal in ore bed. 類義 Synonym:Atomic fuelNu...
英語 English:Atomic Number日語 Japanese:原子番号 (げんしばんごう)定義 Definition:An atomic number is a number given to each atom in order to organize them in the periodic table.類義 Synonym:Proton numberPosition in t...