Recomposição
Interactive Video
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
Bruno Gomes
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual partícula do átomo tem carga positiva?
Próton
Elétron
Íon
Nêutron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número de prótons, nêutrons e elétrons do nuclídeo representado ao lado são, respectivamente:
22, 26, 22
26, 48, 26
22, 48, 22
26, 48, 48
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assinale o nuclídeo que possui maior número de nêutrons.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula o número de nêutrons em um átomo neutro?
Subtraindo o número de massa do número atômico
Somando o número de prótons e elétrons
Multiplicando o número de prótons pelo número de elétrons
Dividindo o número de massa pelo número atômico
5.
CATEGORIZE QUESTION
3 mins • 1 pt
Combine a carga do átomo com a descrição correta.
Groups:
(a) Positiva
,
(b) Negativa
,
(c) Neutra
Um átomo com igual número de prótons e elétrons.
Um átomo com mais elétrons do que prótons.
Um átomo com mais prótons do que elétrons.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sobre a composição atômica do Bário, marque a alternativa correta.
O Bário possui 137 prótons.
O Bário possui 81 de massa.
O Bário possui 58 elétrons.
O Bário possui 54 elétrons.
7.
DRAG AND DROP QUESTION
1 min • 1 pt
De acordo com o esquema, informe:
I. Nº atômico de Y: (a)
II. Nº de massa de Z: (b)
III. Nº de nêutrons de X: (c)
IV. Nº de elétrons de Z: (d)
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