Physique chimie Flashcards by Titouan Corrado | Brainscape

Q

composition atome

A

noyau = nucleons = protons + neutron

électron gravite autour

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Q

charge elctrique atome + composant

A

atome neutre
electron -
proton +
neutron neutre

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Q

numero atomique z

A

nombre de proton

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Q

A notation atome

A

nucleons

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Q

nucléide

A

ensemble d’un atome définis par la paire (z,a)

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Q

l’ensemble des nucléides ayant le même numero atomique z correspond à

A

un élément

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Q

un atome a une structure

A

lacunaire = que du vide entre noyau et elctron

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Q

pour faire une comparaison on

A

divise la plus grande masse par la plus petite

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Q

la charge d’un electron et d’un proton sont

A

égal en magnitude

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Q

la charge elementaire s’exprime en

A

Coulombs (C)

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Q

masse proton et masse neutron

A

égal 1,675 x 10⁻²⁷

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Q

la charge d’un proton est appeler

A

charge élementaire

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Q

un atome possede autant

A

de proton que d’electron

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Q

le noyau est de taille……devant celle de l’atome

A

négligeable

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Q

A

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