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Authored by COR-Laura Barea
Chemistry
2nd Grade
Used 4+ times
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26 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Los electrones tienen carga ...........
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Los ............ NO tienen carga
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Los ................ tienen carga positiva
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un isótopo?
Elementos con un mismo número másico pero distinto número atómico.
Elementos con un mismo número atómico pero distinto número másico
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Qué nos dice la ley de conservación de la masa?
Masa de reactivos + masa de productos = 0
Masa de reactivos - masa de productos = constante
Masa de reactivos = masa de productos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el número atómico del fósforo es 15 y el número másico es 31. ¿Cuántos electrones tiene?
15
16
31
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el número atómico del fósforo es 15 y el número másico es 31. ¿Cuántos neutrones tiene?
15
16
31
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