Aula 3 Modelo Quântico 2pp

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quando muda de um meio de propagação para outro, sofre refração, isto é, sofre
mudança na velocidade de propagação. Essa mudança faz com que a luz branca se
decomponha em infinitos raios de luzes monocromáticas, conhecidas como as
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Mecânica Quântica: dualidade ondaǦpartícula:
Ǧ A luz se comporta tanto como onda e como
partícula:
1) como onda: onda eletromagnética (interferência
etc.).
2) como partícula: efeito fotoelétrico (quantum,
fóton etc.).
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Ao conhecer os trabalhos de Planck, Einstein
teve a certeza de estar sendo quebrada uma
fronteira da Física com algo totalmente novo e
revolucionário.
Efeito fotoelétrico é o da emissão de elétrons por metais
expostos à um feixe de luz.
Um dos estudos de Einstein foi a formulação teórica para o efeito
fotoelétrico, que também trata da interação entre a radiação
eletromagnética e a matéria.
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que�se�comportam�como�partículas.
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MModelo Atômico de Bohr
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‰ Modelo só é válido para o
átomo de hidrogênio e não se
aplica aos demais elementos
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Ȝ = h/m.ғ em que h = constante de Planck
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onde é mais provável encontrar um elétron.
No modelo atômico de Bohr, o
elétron descreve uma órbita.
No modelo atômico atual, o
elétron ocupa umorbital.
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espaço, que está relacionada à forma da nuvem
(designada pelo valor de l). Dessa forma, este número
quântico varia de Ǧl, até +l.
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Referências�bibliográficas
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