Hydrogen

{tag=Noble gas}
{title2=He}
{title2=2}
{wiki}


Helium

Boron

Carbon

Nitrogen

Oxygen

{title2=F}
{title2=9}
{wiki}

\Image[https://upload.wikimedia.org/wikipedia/commons/2/2c/Fluoro_liquido_a_-196%C2%B0C_1.jpg]
{title=Liquid $F_2$}
{description=The boiling temperature is 85.03 K, so the liquid in this photo is very cold.}


Fluorine

{tag=Noble gas}
{title2=Ne}
{title2=10}
{wiki}


Neon

Sodium

Aluminium

Silicon

{title2=P}
{title2=15}
{title2=3s2 3d3}
{wiki}


Phosphorus

Sulfur

{tag=Noble gas}
{title2=Ar}
{title2=18}
{wiki}


Argon

{title2=K}
{title2=19}
{title2=$4s^{1}$}
{wiki}


Potassium

{title2=Ca}
{title2=20}
{title2=$4s^{2}$}
{wiki}


Ciro Santilli @cirosantilli 37

 Children: List of chemical elements