Wikipedia:Good topics/Period 1 elements
{{Featured topic box
|title=Period 1 elements
|lead={{icon|GA}} Period 1 elements
|count=3
|image=HeTube.jpg
|imagesize=80
|column1=
:::: {{icon|FA}} Hydrogen
|column2=
:::: {{icon|DA}} Helium
|column3=
|ftstar=no
}}