Metallic - has hugh melting and boiling points and conducts electricity, Giant covalent - has high melting and boiling points, and conducts electricity when molten or in solution, Simple molevular - has low melting poinst and boiling points and never conducts electricity, Ionic - has very high melting and boiling points and does not conduct electricity,

Structures

由 匿名
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？