高一化学知识小卡片(40) _____班 姓名_________
知识点:用电子式表示物质的形成过程:
离子化合物:
(1)NaCl _______________________________________
(2)CaO _______________________________________
(3)Na2O _______________________________________
(4)MgCl2 _______________________________________
共价化合物:
(1)HCl _______________________________________
(2)H2O _______________________________________
(3)NH3 _______________________________________
(4)CH4 _______________________________________
高一化学知识小卡片(40) _____班 姓名_________
知识点:用电子式表示物质的形成过程:
离子化合物:
(1)NaCl _______________________________________
(2)CaO _______________________________________
(3)Na2O _______________________________________
(4)MgCl2 _______________________________________
共价化合物:
(1)HCl _______________________________________
(2)H2O _______________________________________
(3)NH3 _______________________________________
(4)CH4 _______________________________________