Chlorine

Chlorine

Bromine

Bromine

Selenium

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Se-34
Selenium
Reactive non-metals

 

Atomic mass:78.960 u
Melting point:220.85°C (494 K)
Boiling point:684.85°C (958 K)
Discovery date:1817
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.
 
Selenium
Reactive non-metals
3D Bohr model from Signal Garden
Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.
Wikipedia
Atomic mass:78.960 u
Melting point:220.85°C (494 K)
Boiling point:684.85°C (958 K)
Discovery date:1817
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