Meitnerium: Difference between revisions

From Citizendium
Jump to navigation Jump to search
imported>David Yamakuchi
m (New page: {{subpages}}{{Basic elemental info}}<references/>)
 
imported>Milton Beychok
(Replaced infobox, expanded electron configuration and edited the lede)
Line 1: Line 1:
{{subpages}}{{Basic elemental info}}<references/>
{{subpages}}
 
 
 
{{Elem_Infobox
|elName=Meitnerium
|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>&thinsp;6d<sup>7</sup>7s<sup>2</sup>
|no1=
|no2=
|no3=
|no4=
|properties=
|compounds=
|uses=
|hazard=Radioactive
}}
 
'''Meitnerium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Hs and its [[atomic number]] (the number of [[proton]]s) is 109. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 276 g•mol<sup> −1</sup> and it is a [[solid]] in its elemental form.
 
Meitnerium is considered a member of the "Transition metal" class of elements. There is no available data for its [[boiling point]] or its [[melting point]].

Revision as of 20:24, 4 May 2011

This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
This editable Main Article is under development and subject to a disclaimer.


Meitnerium
276



  Mt
109
1s22s22p63s23p63d104s24p6 4d105s25p64f145d106s26p65f14 6d77s2
[ ? ] Transition metal:
Hazard:
Radioactive


Meitnerium is a chemical element, having the chemical symbol Hs and its atomic number (the number of protons) is 109. It has a standard atomic weight of 276 g•mol −1 and it is a solid in its elemental form.

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