Th+-+Thorium

Brittany

Name: Thorium 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.

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