Thorium

Thorium

Actinium

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SKU
Ac-89
Actinium
Actinides
 
Atomic mass:227 u
Melting point:1050°C (1323.15 K)
Boiling point:3196.85°C (3470 K)
Discovery date:1899
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.
 
Actinium
Actinides
3D Bohr model from Signal Garden
Actinium is a chemical element with the symbol Ac and atomic number 89. It was first isolated by Friedrich Oskar Giesel in 1902, who gave it the name emanium; the element got its name by being wrongly identified with a substance André-Louis Debierne found in 1899 and called actinium.
Wikipedia
Atomic mass:227 u
Melting point:1050°C (1323.15 K)
Boiling point:3196.85°C (3470 K)
Discovery date:1899
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