Question:
In a Germanium crystal containing N atoms, the total number of outer electrons is ________.
In a Germanium crystal containing N atoms, the total number of outer electrons is ________.
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Semiconductors like Si and Ge are tetravalent (4 valence electrons).
Updated On: Jun 26, 2026
- N
- 2N
- 3N
- 6N
- 4N
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The Correct Option is
Solution and Explanation
Step 1: Concept
Germanium (Ge) is a group 14 element.
Step 2: Meaning
Group 14 elements (like Silicon and Germanium) have 4 valence (outer) electrons per atom.
Step 3: Analysis
If each atom contributes 4 outer electrons and there are N atoms in the crystal.
Step 4: Conclusion
The total number of outer electrons is $4 \times N = 4N$. Final Answer: (E)
Germanium (Ge) is a group 14 element.
Step 2: Meaning
Group 14 elements (like Silicon and Germanium) have 4 valence (outer) electrons per atom.
Step 3: Analysis
If each atom contributes 4 outer electrons and there are N atoms in the crystal.
Step 4: Conclusion
The total number of outer electrons is $4 \times N = 4N$. Final Answer: (E)
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