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2015秋湘教版化学九上单元3《纯净物组成的表示方法》ppt课件3
2018-04-12 | 阅:  转:  |  分享 
  
纯净物组成的表示方法既然我有很多不足,有谁的内涵比我更丰富呢?看到我,你想到什么,我的本领可真大呀?我觉得它在化学涵义上有些不足,让我想想
!我知道了,它有以下不足:OH这是什么?难道它比“水”这个字更有本领?2我来了!水1.它不能表示水的元素组成;2.它不能表示水的
微观构成一、用化学式表示纯净物的组成1、什么叫化学式?阅读思考P71用元素符号和数字的组合来表示纯净物组成的式子。模压化粪池h
ttp://www.zmpfrp.com你还知道哪些化学式呢?H2N2NH3NaClP2O5Fe3O4MgO模压化粪池htt
p://bjmyhfc.comH2CO3CaCO3Ca(OH)2KMnO4H2O2C6H12O6……PPT模板:www.1ppt.
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.1ppt.com/kejian/dili/历史课件:www.1ppt.com/kejian/lishi/化学式是怎样来的呢?水分
子金属铁氧化铜HOHH2O2个氢原子、1个氧原子Fe铁原子CuO铜原子:氧原子=1:1实践应用P72玻璃钢脱硫塔htt
p://zhoujieya.com讨论交流根据物质的化学式,你能得到有关物质的组成和构成的哪些信息?北京玻璃钢脱硫塔http:
//www.bjblghfc.com真题训练课堂训练甜蜜素[C6H12NSNa]是一种甜味添加剂。下列有关说法正确的是(
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