
av-adaptada-quimica
Authored by WELLINGTON BARBOSA
Science
1st Grade
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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A emissão de um elétron, ou seja, de uma partícula beta pode ser representada corretamente por:
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A respeito do elemento ao lado, é correto afirma que:
possui massa atômica igual a 242
Possui número atômico igual a 94
Seu nome é plutônio
Possui configuração eletrônica igual a do elemento Rn
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
o nome do elemento destacado ao lado é:
magnésio
lítio
sódio
mendelévio
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A bomba nuclear, a tomografia por emissão de pósitron (PET) e a desinfecção por radiação tem como princípio fundamental a:
Cama de valência
radioatividade
fissão nuclear
tabela periódica
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A equação ao lado representa um processo de:
decaimento radioativo
combustão
oxidação
raios X
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pela imagem ao lado é possível dizer que o átomo de hélio possui:
4 prótons
4 nêutrons
2 prótons e 2 nêutrons
4 elétrons
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na tabela periódica o elemento Nióbio é representado pelo símbolo:
Na
Ni
Nb
Np
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