
Elements, Compounds, & Mixtures
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
¿Qué es la materia?
Back
La materia es cualquier cosa que tiene masa y ocupa espacio.
2.
FLASHCARD QUESTION
Front
¿Qué es un compuesto?
Back
Un compuesto es una sustancia formada por la unión de dos o más elementos químicos en proporciones fijas.
3.
FLASHCARD QUESTION
Front
¿Qué es un elemento?
Back
Un elemento es una sustancia que contiene solo un tipo de átomo.
4.
FLASHCARD QUESTION
Front
¿Qué es una mezcla?
Back
Una mezcla es una combinación de dos o más sustancias que no se combinan químicamente.
5.
FLASHCARD QUESTION
Front
Ejemplo de un compuesto:
Back
Sal (NaCl) es un ejemplo de un compuesto.
6.
FLASHCARD QUESTION
Front
Ejemplo de un elemento:
Back
El oxígeno (O) es un ejemplo de un elemento.
7.
FLASHCARD QUESTION
Front
¿El aire es una mezcla?
Back
Sí, el aire es una mezcla de varios gases.
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