ELEMENTOS y COMPUESTOS QUÍMICOS

Flashcard
•
Chemistry
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
¿Cuál es la carga de los protones, neutrones y electrones, respectivamente?
Back
Positiva, neutra y negativa.
2.
FLASHCARD QUESTION
Front
El símbolo de mercurio es
Back
Hg.
3.
FLASHCARD QUESTION
Front
Los elementos se representan con...
Back
Símbolos químicos.
4.
FLASHCARD QUESTION
Front
Es un compuesto: H2O, N2, O2, H2
Back
H2O.
5.
FLASHCARD QUESTION
Front
El número másico se representa con la letra:
Back
A.
6.
FLASHCARD QUESTION
Front
¿Qué es un elemento químico?
Back
Una sustancia que no puede ser descompuesta en sustancias más simples por reacciones químicas.
7.
FLASHCARD QUESTION
Front
¿Qué es un compuesto químico?
Back
Una sustancia formada por la unión de dos o más elementos en proporciones fijas.
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