atomic numbers 1-20

numéros atomiques 1-20 (French)

numeros atomicos 1-20 (Spanish)

• aluminium and compounds [Caq]
• argon [Caw]
• beryllium and compounds [Caf]
• boron and compounds [Cag]
• calcium and compounds [Caz]
• carbon and inorganic carbon compounds [Cah]
• chlorine and compounds [Cav]
• fluorine and compounds [Cal]
• helium [Cac]
• hydrogen and compounds [Cab]
• lithium and compounds [Cad]
• magnesium and compounds [Cap]
• neon [Cam]
• nitrogen and compounds [Caj]
• oxygen and compounds [Cak]
• phosphorus and compounds [Cas]
• potassium and compounds [Cax]
• silicon and compounds [Car]
• sodium and compounds [Can]
• sulfur and compounds [Cat]