The diagrams show what happens when iron filings and sulfur powder react together in a chemical reaction, rather than just mix together. Joined or not The different substances are not chemically ...

Some scientists are now concerned — and actively investigating — whether that chemical could be toxic. The newly identified substance, named “chloronitramide anion,” is produced when water ...

A chlorine gas leak at the Grand Canyon forced the closure of several inner corridor trails until further notice, park officials announced Wednesday evening.

A copy of each specified type of health and safety study which is in their possession at the time the chemical substance is listed; A list of the specified types of health and safety studies ...