Manganese (Mn): Manganese is a brittle, metallic element that exists in the ore of pyrolusite. When making steel, it reacts with sulfur and helps to increase the metal's resistance to heat.

Hydrogen is a non-metal, but it is often put in the middle. Notice that most elements are metals, rather than non-metals. The only liquid elements at room temperature are bromine (Br) and mercury ...

An curved arrow pointing right. You definitely shouldn't mess around with mercury, but if you want a safe, similar, tactile experience, a metal called Gallium is widely available online.

“Understanding the five elements is understanding myself. Today's fortune is what I create.” ...

The next element, beryllium, is relatively rare in the universe because it is also not formed in the nuclear furnaces of stars. It takes a supernova, in which heavier nuclei disintegrate, to make this ...