Which of the following elements act as donor impurities?

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Which of the following elements act as donor impurities?
1. Gold
2. Phosphorus
3. Boron
4. Antimony
5. Arsenic
6. Indium
Select the correct answer using the codes given below:

1. 1, 2 and 3
2. 1, 2, 4 and 6
3. 3, 4, 5 and 6
4. 2, 4 and 5

Correct Option: D

Elements belongs to donor impurities:
* Phosphorus
* Antimony
* Arsenic