
2do retro tomo 5
Authored by JUAN ATAUCURI
Chemistry
2nd Grade
Used 6+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Según la ley periódica moderna, los elementos están ordenados según su
masa atómica
número de electrones
número atómico.
número de nucleones.
número de neutrones
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Respecto a la tabla periódica, es incorrecto afirmar que
tiene 18 columnas.
los elementos representativos ocupan 8 columnas
los actínidos poseen 8 niveles.
presenta 7 periodos.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ib, IIa, IIIc
Ia, IIc, IIIb
Ic, IIb, IIIa
Ib, IIc, IIIa
Ia, IIb, IIIc
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
VVF
VFV
VVV
FVF
FFF
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine el grupo y el periodo a los que pertenece un elemento cuyo átomo neutro presenta la siguiente distribución electrónica:
1s2 2s2 2p6 3s2 3p4
3.º y VA
2.º y VIA
3.º y VIIIA
4.º y VIB
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