
Química
Authored by Guilherme Rodrigues
Chemistry
1st Grade
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos elementos abaixo apresenta a mesma valência do carbono?
Enxofre
Sódio
Silício
Oxigênio
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quais os elementos químicos que possuem átomos que formam cátions monovalentes?
metais alcalinos
metais alcalinoterrosos
calcogênios
halogênios
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual dos elementos abaixo apresenta maior raio atômico?
potássio
cálcio
bromo
flúor
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Apresenta um total de 18 elétrons:
átomo de neônio
cátion bivalente do potássio
ânion monovalente do cloro
átomo neutro de criptônio
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o metal de menor raio atômico do terceiro período da tabela periódica?
magnésio
fósforo
alumínio
sódio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ENERGIA DE IONIZAÇÃO é a energia
necessária para doar um elétron ao átomo
necessária para remover um elétron do átomo
necessária para romper uma ligação química
necessária para a formação de uma ligação química
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O gráfico de ionização refere-se a qual elemento?
berílio
boro
carbono
oxigênio
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