原子符号和公式是一个多媒体化学家教的Windows,测试的学生,因为他们学习。技能是通过熟悉的例子教导,以帮助加强一般的化学知识。涵盖的主题包括元素,符号,元素周期表,化学公式,编写和平衡等式,原子结构以及离子的形成 限制:...
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