Index of /teachers/images/chem23

	Name	Last modified	Size	Description
	Parent Directory		-
	chem23_01.jpg	2022-09-06 14:27	7.8K
	chem23_02.gif	2022-09-06 14:27	22K
	chem23_02_s.gif	2022-09-06 14:27	4.5K