Actinium

Actinium

Protactinium

Protactinium

Thorium

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Th-90
Thorium
Actinides
 
Atomic mass:232.04 u
Melting point:1754.85°C (2028 K)
Boiling point:4786.85°C (5060 K)
Discovery date:1828
This product is a placeholder only and can not be purchased, but can be used in Blueprints as a product to explain its features and functions.
 
Thorium
Actinides
3D Bohr model from Signal Garden
Thorium is a weakly radioactive metallic chemical element with the symbol Th and atomic number 90. Thorium is silvery and tarnishes black when it is exposed to air, forming thorium dioxide; it is moderately soft and malleable and has a high melting point.
Wikipedia
Atomic mass:232.04 u
Melting point:1754.85°C (2028 K)
Boiling point:4786.85°C (5060 K)
Discovery date:1828
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