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P BLOCK ELEMENTS
Question #43101
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Question
Why does bismuthine (BiH₃) exhibit the lowest thermal stability among Group 15 hydrides?
A. Bismuth cannot form covalent bonds
B. Bismuth has a high ionization energy
C. The Bi-H bond is the weakest due to bismuth's large size and low electronegativity
D. Bismuth is a metal
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