
Estabilidade dos átomos.
Authored by Roberta Ferreira
Biology
12th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual elemento químico é representado pelo símbolo "Na"?
Cálcio
Sódio
Potássio
Magnésio
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual elemento químico é representado pelo símbolo "K"?
Cálcio
Sódio
Potássio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a importância da Teoria do Octeto na química?
Explica a estabilidade dos átomos.
Explica a massa dos átomos.
Aumenta a energia dos átomos.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número de elétrons na camada de valência dos elementos do grupo 1A?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número de elétrons na camada de valência dos elementos do grupo 7A?
1
2
6
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número de elétrons na camada de valência dos elementos do grupo 6A?
1
2
6
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da perda de elétrons por um átomo?
Formação de ânions ( X- ).
Formação de cátions ( X+ ).
Formação de moléculas.
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