SEM 1 Quim Flashcards

1
Q

atomo

A

unidad de materia mas peuqeña

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2
Q

partes subatm. del atomo

A

proton NUM atomico Z, neutron, electron

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3
Q

suma de proton y neutron

A

masa atomica A

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4
Q

isotopo

A

variantes de atomo q tienen el mismo # de atomico y dif masa atomica

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5
Q

fuerza intramoleculares

A

fuerzas que mantienen unidos los atomos para formar una molecula

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6
Q

molecula

A

grupo de atomos unidos netre si

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7
Q

iones

A

se forma cuando pierden o ganan electrones

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8
Q

ion que pierde elec

A

cation +

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9
Q

ion que gana elec

A

anion -

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10
Q

mol #avogadro

A

cantidad de sustania de atomos, mol, 6.022 X 10 a la 23

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11
Q

tipo de enlace en el covalente

A

NO metal + No metal

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12
Q

enlace ionico tipo de enlace

A

METAL +NO metal

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13
Q

ruptura de enlace que se rompe de manera simetrica (radicales libres)

A

homolitica

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14
Q

heterolitica

A

rompe de manera asimetrica , el atomo con + electrones se queda con los 2 elec

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15
Q

como funcionan los antioxidantes

A

cediendo electrones a los radicales

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16
Q

tipo de enlace que comparte par de electrones a otro atomo para la regla del octeto

A

covalente coordinado DATIVO