⚛️7️⃣2️⃣

#atomic number #element 72 #hafnium #72 #hf

⚛️7️⃣2️⃣Hf

#hafnium #element 72 #hf symbol #atomic number #transition metal

⚙️7️⃣2️⃣

#hafnium #transition metal #element 72 #atomic number 72 #hf

☢️🛡️7️⃣2️⃣

#hafnium #nuclear control rod #neutron absorber #element 72 #atomic number 72 #hf uses #nuclear reactor

🇩🇰7️⃣2️⃣

#hafnium #copenhagen #hafnia #element 72 #atomic number 72