Fewest protons, Least reactive group, Non-metals, Group 2, Group with 7 Valence Electrons, Most reactive metal, Metalloids, These are all metal!, Elements that have 4 Electron "Shells", The most "non reactive" Group.

Periodic Table Labels_Lewis

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?