Only one valence electron, but not part of a family., The only non-metal that is liquid at room temperature., The only metal that is liquid at room temperature., Group with 4 valence electrons., Group that will form 2+ cations., Extremely reactive metal., Extremely reactive non-metal., Semi-conductor metalloid used in electronics., Completely un-reactive family with complete valence shell., Period 3 element with 7 valence electrons..

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?