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Sumario Conceptos básicos de la química

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Explicación de la química formulas etc

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Tema 1. Conceptos Básicos en Química



• Química
• Átomo: números másicos y atómicos
• Mol
• Fórmulas empíricas y moleculares
• Reacciones químicas
• Gases
• Disoluciones

, ¿Qué es la Química?


• Ciencia que estudia la composición y
propiedades de las sustancias y las
reacciones por las que unas sustancias se
transforman en otras.




Visión macroscópica Visión microscópica

, ¿Qué es la Química?

El lenguaje de la Química es un lenguaje científico
universal que se emplea ampliamente fuera de la Química


GEOLOGÍA ASTRONOMÍA FARMACOLOGÍA



QUÍMICA


FÍSICA BIOLOGÍA
BIOLOGÍA MEDICINA

, El Átomo

Desde los tiempos de Rutherford, se han descubierto muchas
partículas subatómicas. Sin embargo para los químicos para
describir el átomo son suficientes tres partículas:

ELECTRÓN, PROTÓN, NEUTRÓN.

Electrones: carga –1 (unidad carga atómica = 1.602·10-19 C)
Protones: carga +1
Neutrones: carga 0

En principio, los átomos son eléctricamente neutros

Número de electrones = número de protones
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  • químicaformulas
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