☀️⚛️

#soleil #étoile #fusion nucléaire #univers #astrophysique #élément h

🇭1️⃣

#hydrogen #élément h #atomic number 1 #chemical symbol

🌌⚛️⭐

#hydrogen #atom symbol h #élément h

🅷

#h symbol #chemical symbol h #élément h #protium

H1️⃣⚛️

#élément h #atomic number 1 #simplest element #proton

H₂✨

#h2 #dihydrogen #hydrogen molecule #élément h #proton

🧪H

#hydrogen symbol #chemical element h #chemistry example #science symbol #élément h