There are several elements that we regard as semiconductors. The common property

ID: 1388420 • Letter: T

Question

There are several elements that we regard as semiconductors. The common property of these elements is that they have

electrons, which are randomly organized about the nucleus.

no electrons beyond a closed shell.

four outer electrons beyond a closed shell.

outer electrons which cannot move.

The dominant charge carrier in a n-type semiconductor is the

neutron.

hole

electron.

proton

Semiconductor elements are "doped" in order to

eliminate the possibility of incomplete bonds.

increase their electrical conductivity.

make them less susceptible to temperature changes.

make them electrically charged.

electrons, which are randomly organized about the nucleus.

no electrons beyond a closed shell.

four outer electrons beyond a closed shell.

outer electrons which cannot move.

1. There are several elements that we regard as semiconductors. The common property of these elements is that they have

ANSWER: a, beacause electrons are distributed around the nucelus according to some principles

b is wrong because, on exitation electrons will go to exited state

c is wrong because only four electrons beyond the shell means exitation is limited which is not possible always

d is wrong because some electrons will go to exited state by taking engrgy

2. The dominant charge carrier in a n-type semiconductor is the

electrons

3. Semiconductor elements are "doped" in order to

increase their electrical conductivity.

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