Who discovered lithium? What even is it? Well I'm here to tell you. Lithium was discovered by
Johan August Arfwedson. Litium was discovered in 1817 in the mineral petalite. Experiments that happened with this element where: trying to help people with depression. It is anti depressent drugs.
It also helps with airplanes and spacecrafts. It is a light metal is is useful for aircraft. We can find lithium in mineral springs but, its very hard to find.     

Lithium is a element. Lithium chloride is a compound of Lithium.  Here is a diagram of Lithium's atomic structure.

Lithium is in group 1 period 2. It is organized in this way because it needs to protect the electron shells. Lithium is more of a simple element. Lithium is found as a element, but it is a compound also.

A common compound in lithium is lithium hydroxide. 

Lithium hydroxide is an inorganic compound with the formula LiOH. It is a white hygroscopic        crystalline material. 

Lithium is in drugs to help with depression.

Lithium is a beautiful element and it helps with a lot of thing. Batteries, drugs, and aircraft. It works around us everyday.