la materia Flashcards

1
Q

densidad

A

cantidad de masa de un objeto en un determinado volumen

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2
Q

volumen

A

cuanto espacio ocupa un objeto

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3
Q

masa

A

cuanta materia hay en una sustancia

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4
Q

materia

A

todo aquello que forma el universo y ocupa espacio

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5
Q

sustancia pura

A

están formadas por un solo tipo de sustancia.
es una composición fija

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6
Q

mezcla

A

están formados por dos o mas sustancias puras

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7
Q

SI

A

sistema métrico o sistema internacional de unidades

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8
Q

solido

A

no se mueven, si les hechas calor empiezan a vibrar

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9
Q

liquido

A

toman la forma del contenedor. resbalan

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10
Q

gas

A

estan separadas
constante movimiento
no tienen volumen ni forma

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11
Q

propiedades físicas

A

son aquellas características que pueden ser medidas y observadas sin que la sustancia cambie su formula química.

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12
Q

propiedades químicas

A

son aquellas características que resultan en un cambio en la estructura atómica

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13
Q

unidades de masa

A

kg
g
mg

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14
Q

unidades de volumen

A

cm^3
m^3
L
mL

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15
Q

unidades de densidad

A

g/cm^3

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