Chemistry Mini Proficiency #2 Review 22-23 SP
Flashcard
•
Chemistry
•
7th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
¿Cuántos tipos diferentes de elementos tiene el ácido sulfúrico (H₂SO₄)?
Back
3 tipos de elementos: Hidrógeno (H), Azufre (S), Oxígeno (O).
2.
FLASHCARD QUESTION
Front
En la tabla periódica, los elementos en la misma FILA están en el mismo ______.
Back
Periodos.
3.
FLASHCARD QUESTION
Front
¿Cuál es un ejemplo de una nueva sustancia formándose?
Back
Un clavo oxidándose.
4.
FLASHCARD QUESTION
Front
¿Cuántos gramos de agua se forman al combinar 4 gramos de hidrógeno y 32 gramos de oxígeno?
Back
36 gramos de agua.
5.
FLASHCARD QUESTION
Front
¿Qué representa la letra 'D' en un elemento químico?
Back
Masa Atómica.
6.
FLASHCARD QUESTION
Front
¿Qué es un elemento químico?
Back
Una sustancia que no puede ser descompuesta en sustancias más simples por métodos químicos.
7.
FLASHCARD QUESTION
Front
¿Qué es una reacción química?
Back
Un proceso en el que una o más sustancias se transforman en nuevas sustancias.
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