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Title: Hafnium
Content: Hafnium silih tunggil datu kimia antuk simbol Hf miwah wilangan atom 72. Logam transisi manyalang, klau masawang pérak, tétravalén, hafnium sacara kimiawi sekadi zirkonium miwah katemuin ring akéh mineral zirkonium. Kawéntenan kacawang olih Dmitri Mendeleev warsa 1869, yadiastun nénten kauningin nganti warsa 1923, olih Coster miwah Hevesy, manadosang nyané datu stabil ungkur kalih sané katemuin. Hafnium karanin Hafnia, arab Latin antuk Kopenhagen, ring dija punika katemuin.

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