Encyclopedia > Period 1 element

  Article Content

Period 1 element

A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the elements.

These are:

Chemical elements in the first period
Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
#
Name
1
H
2
He
e--conf.

Alkali metalsAlkaline earthsLanthanideActinidesTransition metals
Other metalsMetalloidsNonmetalsHalogensNoble gases

Period 1 element - Period 2 element - Period 3 element - Period 4 element - Period 5 element - Period 6 element - Period 7 element - Period 8 element[?]



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Canadian Charter of Rights and Freedoms

... necessary in a democratic society). However, unlike the Canadian Charter art. 18 of the European Convention limits all these specifically enumerated restrictions: The ...

 
 
 
This page was created in 35.8 ms