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Intro Flashcards

(18 cards)

1
Q

Ion

A

Atomo o molecula con carga electrica

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2
Q

Ion (+)

A

Cation

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3
Q

Ion (-)

A

Anion

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4
Q

Isotopo

A

Atomos del mismo elemento con diferente masa atomica

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5
Q

Radio Atomico

A

Distancia del núcleo al ultimo nivel energético.

Sigue al francio

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6
Q

Electronegatividad

A

Muchos electrones en su ultima capa

sigue al fluor

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7
Q

Los halogenos son

A

los mas electronegativos.

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8
Q

Enlace Ionico

A

M + NM
hay una transferencia de e- de M a NM.
Se caracterizan por formar solidos cristalinos y tener altos puntos de ebullicion.

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9
Q

Enlace Covalente

A
NM + NM
Se comparten electrones
puede ser polar (H2O) o No polar (O2)
suelen ser solidos liquidos y gases.
tienen bajos puntos de fusion
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10
Q

Ionizacion:

A

Transferencia de electrones

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11
Q

Que son los electrolitos:

A

los iones en disolución acuosa que permiten que la disolucion sea capaz de conducir corriente electrica

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12
Q

Leyes Ponderales

A

Ley de la Conservacion de la materia
Ley Proporciones Multiples
Ley proporciones Constantes

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13
Q

Acido

A

PH menos a 7, ion hidrogeno H+

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14
Q

Bases

A

PH mayor a 7, ion hidroxilo OH-

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15
Q

Ley de la conservacion de la materia

A

Cantidad de reactivos = cantidad productos

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16
Q

Ley proporciones multiples (dalton)

A

los elementos que se combinan en una relacion de numeros enteros
H2O H2O2
2:1 2:2

17
Q

Ley de las proporciones constantes

A

los elementos se combinan en una relacion de masa constante

18
Q

Composicion atmosferica

A

78% N2

21% O2