(a)
Interpretation:
To classify MgO, Si doped with Sb, white tin, Ge doped with Ga, and stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
Concept introduction:
- The charge carriers are negative electrons, the atom doped with a group 5A element is called as an n-type semiconductor.
- The charge carriers can be regarded as the positive holes, atom doped with a group 3A element is called as a p-type semiconductor.
To classify:
MgO as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
(b)
Interpretation:
To classify MgO, Si doped with Sb, white tin, Ge doped with Ga, and stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
Concept introduction:
- The charge carriers are negative electrons, the atom doped with a group 5A element is called as an n-type semiconductor.
- The charge carriers can be regarded as the positive holes, atom doped with a group 3A element is called as a p-type semiconductor.
To classify:
Si doped with Sb as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
(c)
Interpretation:
To classify MgO, Si doped with Sb, white tin, Ge doped with Ga, and stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
Concept introduction:
- The charge carriers are negative electrons, the atom doped with a group 5A element is called as an n-type semiconductor.
- The charge carriers can be regarded as the positive holes, atom doped with a group 3A element is called as a p-type semiconductor.
To classify:
White tin as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
(d)
Interpretation:
To classify MgO, Si doped with Sb, white tin, Ge doped with Ga, and stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
Concept introduction:
- The charge carriers are negative electrons, the atom doped with a group 5A element is called as an n-type semiconductor.
- The charge carriers can be regarded as the positive holes, atom doped with a group 3A element is called as a p-type semiconductor.
To classify:
Ge doped with Ga as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
(e)
Interpretation:
To classify MgO, Si doped with Sb, white tin, Ge doped with Ga, and stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
Concept introduction:
- The charge carriers are negative electrons, the atom doped with a group 5A element is called as an n-type semiconductor.
- The charge carriers can be regarded as the positive holes, atom doped with a group 3A element is called as a p-type semiconductor.
To classify:
Stainless steel as a metallic conductor, an n-type conductor, a p-type conductor or an electrical insulator.
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