
6Teste_maio_9B
Authored by Jorge Leite
Chemistry
6th - 8th Grade
Used 1+ times

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29 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
1. O sódio (11Na) e o potássio (19K) são metais que pertencem ao mesmo grupo da T.P. Indica:
1.1. A designação desse grupo.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
1. O sódio (11Na) e o potássio (19K) são metais que pertencem ao mesmo grupo da T.P. Indica:
1.2. O motivo pelo qual esses metais têm que ser conservados em parafina líquida ou petróleo.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
3. Observa a figura onde se representa a formação das ligações na molécula de HCN
3.1. Comenta a seguinte frase: “Estes três átomos depois de ligados formam um conjunto mais estável do que separados”
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.2. Indica quantos eletrões de valência possui cada um dos átomos desta molécula.
H:__________?
2
4
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.2. Indica quantos eletrões de valência possui cada um dos átomos desta molécula.
C:__________?
2
4
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.2. Indica quantos eletrões de valência possui cada um dos átomos desta molécula.
N:__________?
2
4
6
7.
OPEN ENDED QUESTION
3 mins • 1 pt
3.3. Indica o tipo de ligação que estabelece o átomo de nitrogénio com o átomo de carbono.
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