
Múltiplas escolhas sobre química
Authored by Matheus Lima
Chemistry
University
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual modelo atômico que propõe que o elétron, ao passar de uma órbita para outra, absorve ou emite uma certa quantidade de energia?
Modelo de Dalton
Modelo de Bohr
Modelo de Thomson
Modelo de Rutherford
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Qual desses é Niels Bohr?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual desses é o Ácido Sulfúrico?
H2SO4
HCN
HF
H2PO4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual destas imagens pode ser considerada uma base?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numa escala de Ph, para uma sunstância ser considerada ácida, ela tem que apresentar o mesmo (Ph) sendo:
Maior que sete
Igual a sete
Menor que sete
Nenhuma das opções anteriores
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes não é um fenômeno químico?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A afinidade eletrônica é:
a energia liberada quando um életron é adicionado a um átomo
a energia miníma para retirar um életron de um átomo
uma propriedade periódica que indica a tendência de um átomo de atrair életron
uma estimativa de distância do núcleo do átomo
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