The density of an object or quantity of matter is its mass divided by its volume.
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Answer:
Doping with galium or indium will yield a p-type semiconductor while doping with arsenic, antimony or phosphorus will yield an n-type semiconductor.
Explanation:
Doping refers to improving the conductivity of a semiconductor by addition of impurities. A trivalent impurity leads to p-type semiconductor while a pentavalent impurity leads to an n-type semiconductor.
It is called a cycle because it is repetitive, therefore making it a cycle (or almost never ending)
