
átomos
Authored by Maristela Martinez
Chemistry
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são as subdivisões de um átomo?
prótons, elétrons, cátions
prótons, elétrons, neutrons
cátions, isótopos, neutrons
elétrons, isóbaros, gama
cations, neutrons, elétrons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quem aperfeiçoou o modelo de Rutherford?
Bohr
Dalton
Thompson
Mendeleiev
Obama
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o número de massa (A) de um átomo de cálcio (Z = 20) com 20 nêutrons?
20
10
30
40
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o número de massa de um cátion monovalente que apresenta 18 elétrons e 20 nêutrons?
38
37
39
36
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temos características do modelo atômico de
RUTHERFORD exceto:
Núcleo e Eletrosfera
indestrutível e indivisível
Núcleo maciço: massa do átomo
Semelhante ao sistema solar
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