Tl is different from Al,Ga,and In in that:
A) Tl has a much different electronegativity
B) Tl has a much different first ionization energy
C) Tl commonly forms compounds with +1 oxidation state
D) Tl forms metal hydroxides that are amphoteric
E) Tl commonly forms compounds with +3 oxidation state
Correct Answer:
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A)sp3
B)sp2
C)sp3d
D)sp
E)sp3d2
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A)The thermite reaction is:
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A)Diborane is B2H6.
B)B(OH)3 boric
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A)allotropes
B)amorphous substances
C)bivalent
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B)tetrahedral
C)bent
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A)Al
B)Ga
C)In
D)B
E)Tl
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