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← ScienceWhich consequence results when metallic bonds saturate in tungsten?
A)Crystal structure becomes more brittle✓
B)Electrical conductivity is greatly improved
C)The melting point sharply rises
D)Corrosion resistance proportionally increases
💡 Explanation
When tungsten's metallic bonds are saturated, exceeding optimal electron-electron repulsion occurs. Grain boundary weakening, by solid solution strengthening, rises because dislocations are easier; therefore, the crystal becomes brittle rather than conducting better within stable structures.
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