
Ligação Covalente 1
Authored by Luísa Nogueira
Chemistry
9th Grade
Used 13+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Seleciona a representação correta da notação de Lewis para o átomo de néon. O néon pertence ao grupo 18 da T.P.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A molécula de oxigénio tem uma ligação covalente covalente ...
... simples.
... dupla.
... tripla.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Numa ligação covalente tripla, dois átomos partilham entre si ...
... três eletrões.
... dois pares de eletrões.
... um par de eletrões.
... seis eletrões.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na figura encontra-se representada a ... b) ... da molécula de azoto.
... fórmula molecular.
... notação de Lewis.
... fórmula de estrutura.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na molécula de oxigénio, cada átomo de oxigénio encontra-se rodeado por ...
... 2 eletrões.
... 4 eletrões.
... 6 eletrões.
... 8 eletrões.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na molécula de dióxido de carbono há ...
... 2 ligações covalentes simples.
... 4 pares de eletrões não ligantes.
... 4 eletrões não ligantes.
... um átomo central, o oxigénio.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na molécula de amoníaco há ...
... 3 ligações covalentes simples.
... uma ligação covalente tripla, com três átomos de hidrogénio.
... 3 eletrões ligantes.
... 1 eletrão não ligante.
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