
Molecula
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
ANDREA BARCZAK
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a menor unidade de um elemento químico que mantém suas propriedades?
Molécula
Átomo
Íon
Núcleo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a diferença principal entre átomos e moléculas?
Átomos são compostos por moléculas
Moléculas são compostas por átomos
Átomos e moléculas são a mesma coisa
Moléculas são menores que átomos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual modelo atômico foi proposto por Niels Bohr?
Modelo de Dalton
Modelo de Thomson
Modelo de Rutherford
Modelo de Bohr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula química da molécula de água?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual cientista propôs o modelo atômico conhecido como "pudim de passas"?
John Dalton
Ernest Rutherford
J.J. Thomson
Niels Bohr
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a carga elétrica de um elétron?
Positiva
Negativa
Neutra
Variável
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal característica do modelo atômico de Rutherford?
Átomos são indivisíveis
Átomos têm um núcleo denso e positivo
Elétrons estão em órbitas fixas
Átomos são esferas maciças
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