Preguntas ciclo 4 & 5

Quiz
•
Science
•
9th - 12th Grade
•
Hard
misa rogó
Used 7+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Si se sabe que el numero atómico (Z) del elemento es 37. Cuál es su configuración electrónica correcta:
1s2 2s2 2p6 3s2 3p6 4S2
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Balancea la siguiente ecuación química: Fe2 + S2 → Fe2S
Fe2 + S2 → Fe2S
2Fe2 + S2 → 2Fe2S
2Fe + 2S2 → Fe2S
2Fe2 + 2S2 → 2Fe2S
3.
FILL IN THE BLANK QUESTION
1 min • 4 pts
Como se denominan las unidades que conforman el ADN:
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Como se denomina el cambio de estado de gas a líquido
Congelación
Evaporación
Sublimación
Condensación
5.
FILL IN THE BLANK QUESTION
1 min • 4 pts
Quien descubrió las leyes de la gravedad y el movimiento
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
¿Qué es la fórmula empírica de un compuesto?
Una fórmula química que da el % del soluto
El # de átomo completo de un compuesto.
Un % de soluto y solvente en la sustancia.
Muestra la proporción de átomos en un compuesto.
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Cuales son las sustancias que se forman con una reacción química
Reactivos
Productos
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