ATOMOS
Flashcard
•
Chemistry
•
University
•
Hard
Manriky Cavalcanti
FREE Resource
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14 questions
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1.
FLASHCARD QUESTION
Front
Um elemento se diferencia de outro principalmente pelo seu número de?
Back
prótons
2.
FLASHCARD QUESTION
Front
O número de massa representa
Back
Quantidade de prótons e nêutrons que o átomo possui
3.
FLASHCARD QUESTION
Front
Um isótopo é
Back
um átomo do mesmo elemento com diferente quantidade de nêutrons
4.
FLASHCARD QUESTION
Front
Mol é definido como: “A quantidade de matéria que contém tantos objetos (átomos, moléculas ou qualquer objeto a considerar) quanto o número de átomos em exatamente 12 g de 12C isotopicamente puro”
Back
verdadeiro
5.
FLASHCARD QUESTION
Front
Os dados que completam a linha de cor amarela na tabela são
Back
protons 14; nêutrons 16; elétrons 14; número atômico 14; número de massa 30; carga 0
6.
FLASHCARD QUESTION
Front
Os dados que completam a linha de cor azul são
Back
selênio 80; prótons 34; nêutrons 46; elétrons 30; número atômico 34; número de massa 80; carga 4+
7.
FLASHCARD QUESTION
Front
Em geral, os não-metais formam íons
Back
negativos
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