Which element would you use as an impurity to make germanium an n-type

1.	Which element would you use as an impurity to make germanium an n-type semiconductor?
Answer» Germanium can be made an n-type semiconductor by doping it with pentavalent impurity, like phosphorus (P), arsenic (As) or antimony (Sb).

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Which element would you use as an impurity to make germanium an n-type semiconductor?

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