geometria molecular - rf
TRANSCRIPT
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GEOMETRIA MOLECULAR
Professor Ricardo Frazão
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MOLÉCULAS COM 2 ÁTOMOS
• A geometria sempre é linear.
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MOLÉCULAS COM 3 ÁTOMOSElétrons livres no átomo central Geometria molecular Exemplo
Ausente Linear CO2
1 par ou 2 pares Angular H2O; SO2
3 pares Linear XeF2
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MOLÉCULAS COM 4 ÁTOMOSElétrons livres no átomo central Geometria molecular Exemplo
Ausente Trigonal plana BF3
1 par Pirâmide trigonal NH3
2 pares Forma de T ClF3
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MOLÉCULAS COM 5 ÁTOMOSElétrons livres no átomo central Geometria molecular Exemplo
Ausente Tetraédrica CH4
1 par Gangorra SF4
2 pares Quadrado planar XeF4
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MOLÉCULAS COM 6 ÁTOMOS
Elétrons livres no átomo central Geometria molecular Exemplo
Ausente Bipirâmide trigonal PCl5
1 par Pirâmide quadrada BrF5
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MOLÉCULAS COM 7 ÁTOMOS
Elétrons livres no átomo central Geometria molecular Exemplo
Ausente Octaédrica SF6
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MOLÉCULAS COM 8 ÁTOMOS
Elétrons livres no átomo central Geometria molecular Exemplo
Ausente Bipirâmide de base pentagonal
IF7