(PhysOrg.com) -- It's not every day that an element gets to celebrate a bicentennial, and a University of Delaware professor is pleased to have been invited to the "birthday party" for iodine ...

Elemental iodine, also called molecular iodine (2) is too reactive to be found in nature. ... If you're expecting bromine, a dark red liquid at room temperature, to be a walk in the park, think again.

It’s the only non-metallic element that exists as a liquid under standard temperature and pressure conditions. ... The elemental iodine immediately combines with the SO 2 to form iodide ions.

Iodine is a trace element that can be found in a number of different places and chemical forms, though it most commonly pops up as an iodine salt rather than elemental iodine.It’s naturally ...

Potassium iodide is a “stable chemical relative of the element iodine,” according to The Washington Post. It comes in tablet or liquid form and doesn’t require a prescription.