![](http://www.alamy.com/thumbs/6/E9297DDC-1F4B-4251-A1E4-C7B258F45641/F412W0.jpg)
ozone
name, chemical formula and structure diagram of Ozone handwritten on blackboard
Size: 4200px × 2800px
Photo credit: © Zoonar/Yury Zap / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: black, blackboard, chalkboard, chemical, chemistry, definition, determination, diagram, education, formula, gas, handwritten, molecular, oxygen, ozone, school, science, structure, white