Salut! Am scris cum ai spus cateva formule chimice.
Acid carbonic - H₂CO₃
Acid sulfuric - H₂SO₄
Acid clorhidric - HCl
Acid bromhidric - HBr
Acid azotic - HNO₃
Acid fosforic - H₃PO₄
Oxid de calciu - CaO
Hidroxid de magneziu - Mg(OH)₂
Clor - Cl₂
Iod - I₂
Azot - N₂
Spor la teme !