QUIMICA Flashcards

1
Q

de solido a gas

A

Sublimacion

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2
Q

de gas a liquido

A

licuacion o condensacion

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3
Q

de liquido a solido

A

solidificacion

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4
Q

de solido a liquido

A

Fusiòn o derretimiento

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5
Q

de liquido a gas

A

vaporacion o ebullicion

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6
Q

de gas a solido

A

cristalizacion

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7
Q

JJ thomson

A

electròn

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8
Q

Demòcrito siglo V a.c

A

Atomo individuales discreto muuy pequeños toda la materia se compone de particulas

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9
Q

Dalton 4 leyes fudamentales

A

1808

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10
Q

Cuales eran las leyes de dalton

A

los elementos, todos los atomos de un mismo elemento…, los compuestos estan formados por atomos.. una reacion quimica implica solo la separacion, combinacion o reordenamiento de los atmos nunca la creacion destrucciòn.

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11
Q

EXplica el tubo de rayos catòdicos

A

alfa, beta y gama

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12
Q

cuanto es la carga de un e

A

-1.6022 x10-19

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13
Q

Masa de un electròn

A

9.10 x10-28 g Robert Millikan

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14
Q

henri becquerel

A

compuesto de uranio que oscurecian las fotografìas, emitìan rayos muy energèticos desconocidos, trayectoria no desviada por imàn, se emitìan de forma espontànea, radioactividad, marie curie

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15
Q

que es la radioactividad

A

emision de manera espontàneos de particulas o radiacion

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16
Q

rayos alfa

A

constan de partículas cargadas +

17
Q

rayos beta

A

Constan de partículas cargadas -

18
Q

rayos gama

A

rayos de alta energía, no presentan carga