Roentgenium: Difference between revisions

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'''Roentgenium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ds and its [[atomic number]] (the number of [[proton]]s) is 111. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 280 g•mol<sup> −1</sup> and it is a [[solid]] in its elemental form.  
'''Roentgenium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Ds and its [[atomic number]] (the number of [[proton]]s) is 111. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 280 g•mol<sup>−1</sup>. .  


Roentgenium is considered a member of the "Transition metal" class of elements. There is no available data for its [[boiling point]] or its [[melting point]].
Roentgenium is considered a member of the "Transition metal" class of elements. There no reliable data for its [[boiling point]] or its [[melting point]].

Revision as of 01:31, 5 May 2011

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Roentgenium
280



  Rg
111
1s22s22p63s23p63d104s24p6 4d105s25p64f145d106s26p65f14 6d97s2
[ ? ] Transition metal:
Hazard:
Radioactive


Roentgenium is a chemical element, having the chemical symbol Ds and its atomic number (the number of protons) is 111. It has a standard atomic weight of 280 g•mol−1. .

Roentgenium is considered a member of the "Transition metal" class of elements. There no reliable data for its boiling point or its melting point.