资讯

BBC4 年
Covalent and ionic compounds - Chemical changes and structures: Video playlist - BBC
Can be used to recap on covalent and ionic compounds or could lead into a classroom discussion on chemical changes and structures. Chemical changes and structures. Now playing video 11 of 13.
BBC4 年
Covalent and ionic compounds - Chemical changes and structures: Video playlist - BBC
Can be used to recap on covalent and ionic compounds or could lead into a classroom discussion on chemical changes and structures. Chemical changes and structures. Now playing video 11 of 13.