
Ligação covalente EM
Authored by Angeolino Pontes
Chemistry
1st Grade
Used 42+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ligação covalente ocorre entre átomos que apresentam alta eletronegatividade, ou seja, elevada tendência de receber elétrons.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na ligação covalente ocorre:
Transferência definitiva de elétrons
Compartilhamento de elétrons
Doação de elétrons
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Consideremos a união entre dois átomos do elemento cloro (Cl), presente na família 7A, e assinale a opção que representa sua fórmula molecular:
Cl
2 Cl
Cl2
Cl3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Compostos formados por ligação covalente são ótimos condutores de eletricidade.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Compostos formados por ligações covalentes apresentam grande atração eletrostática, que torna essa ligação muito forte.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sabendo que o oxigênio tem 6 elétrons na última camada e o hidrogênio tem 1, é possível formar:
H2O
2HO
H2
O2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Em geral, compostos formados por ligações covalentes apresentam Ponto de Fusão e Ebulição baixos.
Verdadeiro
Falso
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