H - Hydrogen*, Mass: 1 - Hydrogen, He - Helium*, Mass:4 - Helium, Li - Lithium*, Mass: 7 - Lithium, Be - Beryllium*, Mass: 9 - Beryllium, B - Boron*, Mass:11 - Boron, C - Carbon*, Mass: 12 - Carbon, N - Nitrogen*, Mass:14 - Nitrogen, O - Oxygen*, Mass:16 - Oxygen, F - Fluorine*, Mass: 19 - Fluorine, Ne - Neon*, Mass: 20 - Neon,

排行榜

视觉风格

选项

切换模板

恢复自动保存: