10605
In terms of global and local theoretical reactivity descriptors , we propose that the radical arising from Q should be more persistent in the environment and with the capability to react with a second radical by hydrogen transfer , proton transfer and electron transfer mechanisms .
 Chemical: hydrogen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: hydrogen