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Which outcome occurs when core electrons tunnel between adjacent atoms?

A)Increased electrical conductivity results
B)Valence band remains unchanged
C)Ferromagnetism becomes significantly enhanced
D)Nuclear fusion reaction is suppressed

💡 Explanation

Increased conductivity occurs because electron tunneling allows electrons to move through the overlapping core orbitals. Therefore, conductivity increases, rather than valence bands being unchanged because the core electrons, are directly involved in the conduction changes.

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