Hafnium - The Last Stable Metal On Earth! Thoisoi2 - Chemical Experiments! 7:32 5 years ago 224 727 Далее Скачать
Hafnium metal - Used in NUCLEAR reactors, exotic bullion and rings! KickAss Science 2:36 1 year ago 2 533 Далее Скачать
Hafnium: Why You Need It in Your Portfolio for 2022 and Beyond! Strategic Metals Invest 4:14 2 years ago 509 Далее Скачать
What is Hafnium? Explain Hafnium, Define Hafnium, Meaning of Hafnium Audioversity 1:23 5 years ago 265 Далее Скачать
Probability Comparison: Rarest Substances on Earth Reigarw Comparisons 3:14 4 years ago 6 417 540 Далее Скачать
Hafnium - The Element of Stability and Innovation Every Day Chemist 0:31 2 weeks ago 424 Далее Скачать