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Some predicted properties of ununseptium:
- melting point: 300-500 0C
- boiling point: 55 0C
- density: 7,2 g/cm3
- empirical atomic radius; 138 PM
- first ionization energy: 742,9 kJ/mol
- solid
- atomic number: 117
- radioactive
- unstable
The chemistry of Uus is not known.

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9y ago
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9y ago

The chemistry of ununoctium is not known, only some predictions exist now.

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12y ago

With only four atoms the appearance of ununoctium is not known.

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13y ago

Not known today

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13y ago

not known

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Q: Which are ununseptium chemical properties and physical properties?
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Flourine belongs to a class of elements called Halogens, which are similar in their chemical and physical properties. The other elements of this group are Chlorine, Bromine, Iodine, Astatine and Ununseptium. Astatine, however, is not considered to be a true halogen since it is radioactive in nature and Ununseptium is a synthetic element.


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Some predicted properties of ununseptium:- melting point: 300-500 0C- boiling point: 55 0C- density: 7,2 g/cm3- empirical atomic radius; 138 PM- first ionization energy: 742,9 kJ/mol- solid- atomic number: 117- radioactive- unstableThe chemistry of Uus is not known.


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