Theme 5 Flashcards

(5 cards)

1
Q

dimitri mendeleive?

A

creer tableaux periodique. predit proprietes des elements non connu.

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2
Q

numero atomique

A

protons dans l’element (decide l’identie PEUVENT PAS CHANGER).

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3
Q

masse atomique

A

masse moyenne d’element, utilise pour trouver # de neutrons (masse atomique-protons)

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4
Q

charge ionique

A

etat ionique. comparisons du protons vs electrons. Ex: Potassium et 1+ donc il y a un plus de protons

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5
Q

isotype

A

meme # de protons, dif, # neutrons (meme element, dif. masse/taille)

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