Ununennium



119 Ubn
Fr
↑
Uue
↓
Uhe
General
Number ununennium, Uue, 119
Alkali metals
Block s
Appearance unknown, probably colorless
Standard atomic weight predicted, (316)[1]  g·mol−1
francium)
shell 2, 8, 18, 32, 32, 18, 8, 1
Physical properties
Phase solid predicted[2]
Miscellaneous
Selected isotopes
Main article: Isotopes of ununennium
iso NA half-life DM DE (MeV) DP
References

Ununennium (alkali metals, it would most likely be extremely reactive with water.

Element 119 would be the first element in the eighth periodic table.[2]

History

The name ununennium is used as a placeholder, as in scientific articles about the search for element 119. systematic element name for more information).

Notes

  1. ^ a b Theory of atomic-mass calculation Apsidium, 2006-11-26
  2. ^ a b c d Ununennium 119 Uue Apsidium, 2006-11-03

See also
 
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