Hafnium (Element # 72) 1 : 無料・フリー素材/写真
Hafnium (Element # 72) 1 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | Hafnium (Hf) is # 72 on the Periodic Table of Elements. Elemental hafnium is a silvery-gray metal. It occurs in few minerals.Forty isotopes of hafnium are known - six occur naturally. Hafnium-180 and hafnium-178 are the most common varieties. Hafnium-174, hafnium-176, hafnium-177, and hafnium-179 occur in lesser to small amounts.-----------------------------Info. at:en.wikipedia.org/wiki/Hafniumanden.wikipedia.org/wiki/Isotopes_of_hafnium |
| 撮影日 | 2024-09-28 12:41:09 |
| 撮影者 | James St. John |
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