Chemists Speak About the Most Dangerous Chemicals Cyclopentadienyl nickel nitrosyl is a really dangerous chemical to handle and is not the only one. Chemists speak about the most dangerous chemicals they have ever handled. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Climate Change Explained by Bill Nye What If All the Money in the World Is Gathered into One Place? Time Square Billboards How Much Water Is There In A Cloud? Who Killed the Smart Gun? Where Did Earth’s Water Come From?