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Økotoks eksamen

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Question:

Hvad er adelige metaller? Hvilke metaller kan danne superoxide anion (O2-) og hydroxyl radikaler (OH) og hvordan?

Author: Agnes Kejser Hansen



Answer:

Adelige metaller er metaller som kan beholde deres elektroner og forblive i det elementære stadie (sølv og guld). Jern, kopper og andre transitions elements (overgangselementer) kan lave elektron transfer reaktioner. Har varierende valens og deltagelse i elektron transfer reaktioner. Ødelægger celler. A type of unstable molecule that contains oxygen and that easily reacts with other molecules in a cell. A build up of reactive oxygen species in cells may cause damage to DNA, RNA, and proteins, and may cause cell death. Reactive oxygen species are free radicals.


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