
Química
Authored by SEBASTIAO ANUNCIACAO
Chemistry
9th - 12th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O átomo é uma partícula esférica, maciça e indivisível. Tal afirmativa refere-se ao modelo atômico proposto por
Rutherford
Bohr
Thomson
Dalton
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O átomo, na visão de Thomson, é constituído de:
níveis e subníveis de energia
cargas positivas e negativas
núcleo e eletrosfera
orbitais
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Em um átomo com 22 elétrons e 26 nêutrons, seu número atômico e número de massa são, respectivamente:
22 e 26
26 e 48
48 e 22
22 e 48
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
As substâncias puras são aquelas que apresentam um material único. Isento de outros materiais e que tem constantes bem definidas. São exemplos de substâncias compostas:
Ne, Ar, Kr, Xe
H2O, H2S, H2Se
F2, Cl2, Br2.
O3, N2
5.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Na relação abaixo, identifique matéria
Magnésio
copo
alumínio
barra de ferro
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