When any substance burns in oxygen it is called a combustion reaction. Potassium (lilac) burns most vigorously followed by sodium (orange-yellow) and then lithium (red), as you might expect.

The New York Times reports that a person with ties to Iran’s Islamic Revolutionary Guard Corps, who spoke on the condition of anonymity, says the explosion was caused by sodium perchlorate—a ...

A Washington Post examination of videos, satellite imagery and expert analysis reconstructs how the fatal explosion at Iran’s Shahid Rajaee port unfolded.

The New York Times reported Sunday that a person “with ties to Iran’s Islamic Revolutionary Guard Corps said that what exploded was sodium perchlorate ... been part of a reaction.” ...

The New York Times reported Sunday that a person “with ties to Iran’s Islamic Revolutionary Guard Corps said that what exploded was sodium perchlorate ... been part of a reaction.” ...