
ELEMETOS REPRESENTATIVOS
Authored by Geremías Tantaleán
Chemistry
2nd Grade
NGSS covered
Used 2+ times

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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SÍMBOLO QUÍMICO DE CLORO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SÍMBOLO QUÍMICO DE COBALTO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SÍMBOLO QUÍMICO DE NIQUEL
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Respecto a la tabla periódica actual, señale la proposición incorrecta.
Los elementos se ordenan en función a su número atómico.
Según IUPAC, se tienen 7 periodos y 18 grupos.
Los elementos metálicos son más abundantes que los no metálicos.
De forma clásica, los elementos se ordenan en 8 grupos A y 8 grupos B.
Está desligada de la configuración electrónica.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marque la secuencia correcta de verdad (V) o falsedad (F) respecto a las siguientes proposiciones.
I. Los metales alcalinos pertenecen al grupo IA.
II. Los halógenos pertenecen al grupo 17.
III. Los gases nobles son químicamente estables.
VVV
FVV
VVF
VFV
VFF
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Señale la ubicación IUPAC de un elemento que posee 24 nucleones fundamentales, además la cantidad de protones y neutrones son iguales.
2.º periodo, grupo 2
3.er periodo, grupo 2
3.er periodo, grupo 12
3.er periodo, grupo 1
2.º periodo, grupo 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Respecto a un elemento cuyo número atómico es 25, indique las proposiciones correctas.
I. Pertenece al bloque d.
II. Pertenece al cuarto periodo.
III. Es un halógeno.
solo III
solo II
I y II
II y III
I, II y III
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