Roentgenium: Difference between revisions
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{{Elem_Infobox | |||
|elName=Roentgenium | |||
|eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>3d<sup>10</sup>4s<sup>2</sup>4p<sup>6</sup> 4d<sup>10</sup>5s<sup>2</sup>5p<sup>6</sup>4f<sup>14</sup>5d<sup>10</sup>6s<sup>2</sup>6p<sup>6</sup>5f<sup>14</sup> 6d<sup>9</sup>7s<sup>2</sup> | |||
|no1= | |||
|no2= | |||
|no3= | |||
|no4= | |||
|properties= | |||
|compounds= | |||
|uses= | |||
|hazard=Radioactive | |||
}} | |||
'''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 are no reliable data for its [[boiling point]] or its [[melting point]]. | |||
Latest revision as of 14:31, 5 May 2011
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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 are no reliable data for its boiling point or its melting point.