Name: Thoriumthorium.jpg
Symbol: Th
Atomic Number: 90
Atomic Mass: 232.038063
Standard State: soid at 298 k
Group name: actinoid
Period in Periodic Table: 7 actinoid
Color: silvery white
Classification: metallic

There is more energy in the earth, abvalible for use. When it is a silvery white metal it is air stable. When it mixes with oxygen, it slowly disappears, and turns into a gray then a black. It has a melting point of 3300 degrees C. It is the highest of all oxygens. Only a few other elements have a higher melting point.