
Quimicando
Authored by nelma fernandes
Chemistry
8th Grade
Used 8+ times

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10 questions
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1.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
"Um elemento químico é caracterizado por átomos com o mesmo número de _______________."
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica a afirmação seguinte em verdadeira ou falsa.
"Nos átomos e nas moléculas o número de protões é igual ao número de eletrões".
Verdadeira
Falsa
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Identifica o(s) diagrama(s) que representa(m) substância(s) elementares(s).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sou feito de oxigénio
Mas não me faço em pares
Prefiro andar a três
E abundo pelos ares.
Oxigénio
Azoto
Ozono
Trigénio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sou molécula linear
Com três átomos ligados
Saio na respiração
E de alguns corpos queimados.
Monóxido de carbono
Carbono
Dioxigénio
Dióxido de carbono
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ando a alta velocidade
Fujo sempre de repente.
A eletricidade usa-me
Sem mim não há corrente.
Neutrão
Protão
Eletrão
Ião
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sou um átomo deficiente
Por falta ou excesso de eletrões.
E conduzo a corrente
Quando estou em soluções.
Ião
Eletrão
Sal
Neutrão
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