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03_maingroup - Group 13 The Boron Family oxi des Ox state 3...

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Group 13: The Boron Family B Al Ga In Tl metallic oxides Weakly acidic amphoteric basic Ox state +3 +3 +3 (+1) +3 (+1) +3 (+1) Inert pair effect--heavy atoms--leave ns 2 electrons Boron, CA B 2 O 3 (s) + 3Mg(s) ----> 2B(s) + 3MgO(s)
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Aluminum Halides 2Al + 3Cl 2 ---> Al 2 Cl 6
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Aluminum Halide QuickTime  and a Sorenson Video decompressor are needed to see this picture.
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Aluminum hydroxide is amphoteric Al(OH) 3 (s) + 3H 3 O + (aq) --> [Al(H 2 O) 6 ] 3+ base acid Al(OH) 3 (s) + OH (aq) --> [Al(OH) 4 ] (aq) acid base
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Group 14: The Carbon Family C Si Ge Sn Pb Non-metal metal ox states +4 +4 +4, (+2) +4, +2 +4, +2 Inert pair effect Likes to form bonds to itself=> catenates C Si Ge Sn Pb
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Allotropes of Carbon Allotropes of Carbon graphite Diamond Buckyballs allotrope--same element, different molecular (or local )structure The 1996 Nobel prize was awarded to R. F. Curl, H. W. Kroto, and R. E. Smalley for the discovery of buckminsterfullerene.
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Reactions with Group 14 elements oxygen E(s) + O 2 (g) ----> EO 2 (s), E = C, Si, Ge, Sn halogen E(s) + 2X 2 (g,l,s) ----> EX 4 (g), E = C, Si, Ge, Sn Pb(s) + X 2 (g,l,s)----> hydrogen
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