1.3.2 the history,revival and development of inorganic chemistry Incubation period From the ancient times~l5 century:无机化学知识渐成体系 The 1st period 17 centuray, 波义尔提出了元素的定义-提出了“燃素”说 The 2ed period Late 18th century early 19th century,an independent branch of chemistryFrom the ancient times  15 century：无机化学知识渐成体系 Late 18th century  early 19th century, an independent branch of chemistry 17 centuray，波义尔提出了元素的定义--提出了“燃素”说 Incubation period The 1st period The 2ed period 1.3.2 the history, revival and development of inorganic chemistry