Estrutura atômica EM

Quiz
•
Chemistry
•
1st Grade
•
Hard
Angeolino Pontes
Used 6+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A massa atômica de um elemento químico é dada pela média ponderada dos números de massa de seus isótopos.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os átomos de 6C12, 6C13, 6C14 diferem quanto ao número de:
prótons
elétrons
nêutrons
íons
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os nuclídeos 9A21 e 11A21 são:
isótopos
isóbaros
isótonos
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os átomos A-3 e B+2 são exemplos de, respectivamente:
ânion e íon negativo
cátion e ânion
ânion e cátion
íon positivo e cátion
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Isoeletrônicos são átomos ou íons que possuem o mesmo número de elétrons.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O átomo 6C12 apresenta:
6 nêutrons
12 prótons
18 elétrons
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