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Fe - Jern

Fe - Jern. Det 10. mest almindelige grundstof. Hvad er Jern. Jern er det 10. mest almindelige grundstof. Er et fast stof, og et tung metal. - Jern i det periodiske system - Jern = Fe Grundstof 26, i 4. periode og 8. gruppe. 54Fe (5,8 %), 56Fe (91,7 %), 57Fe (2,2 %) og 58Fe (2,3 %).

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Fe - Jern

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  1. Fe - Jern Det 10. mest almindelige grundstof

  2. Hvad er Jern • Jern er det 10. mest almindelige grundstof. • Er et fast stof, og et tung metal. - Jern i det periodiske system - • Jern = Fe • Grundstof 26, i 4. periode og 8. gruppe. • 54Fe (5,8 %), 56Fe (91,7 %), 57Fe (2,2 %) og 58Fe (2,3 %).

  3. Jerns dannelse • Fremlavet af jernmalm. • Rensnings processer igennem høj ovne. • Jern til andre metaller. – • Jern til stål. [som eksempel] • Rent Jern.

  4. Jern og kroppen • Mennesker indeholder Jern. • Et voksent menneske indeholder 3-4g jern • Jernmangel giver blodmangel

  5. Andre ting om Jern • Jerns opdagelse. • Brug a Jern. • Andre ting om Jern.

  6. Fin! Spørgsmål?

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