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PIA Química I

PIA_BrendaNataliaFerialPerea/Grupo 108/ N.L.8

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Elemento Periodo Grupo Tipo Bloque N°de<br />

oxidación<br />

Litio 2 IA<br />

(metales<br />

alcalinos)<br />

N°atómico Masa<br />

atómica<br />

Protones,<br />

electrones<br />

y<br />

neutrones<br />

Representativo S +1 3 6.94 Protones:<br />

3<br />

Electrones:<br />

3<br />

Neutrones:<br />

7<br />

Calcio 4 IIA<br />

(metales<br />

alcalinotérreos)<br />

Representativo S +2 20 40.08 Protones:<br />

20<br />

Electrones:<br />

20<br />

Neutrones:<br />

20<br />

Uranio 7 III Transición<br />

interna<br />

f +3, +4,<br />

+4, +6<br />

92 238 Protones:<br />

92<br />

Electrones:<br />

92<br />

Neutrones:<br />

146<br />

10

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