
2do Año Química 2º
Authored by dani yudiche
Chemistry
1st - 3rd Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El símbolo Br pertenece al elemento que se encuentra en el:
Grupo 3 - Período 4
Grupo 17 - Período 4
Grupo 4 - Período 17
Grupo 17 - Período 3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si un elemento posee una masa atómica = 88 y su número de neutrones es de 50, ¿de que elemento estamos hablando?
Rubidio
Bario
Potasio
Estroncio
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cuáles de los siguientes elementos pertenecen a un mismo grupo.
Cobalto
Talio
Indio
Galio
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que elemento posee la siguiente configuración electrónica: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
Estroncio
Rubidio
Cesio
Potasio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál es el máximo nivel de energía que posee el Astato.
4
5
6
7
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La configuración electrónica del Bromo es:
1s2 2s2 2p6 3s2 3p6 5s2 4d10 5p5
1s2 2s2 2p6 3s2 3p6 3s2 4d10 4p5
1s2 2p2 2s6 3s2 3p6 4s2 4d10 4p5
1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si tengo un elemento con un A = 127 y su cantidad de neutrones es de 74, es el elemento:
Telurio
Xenón
Radón
Yodo
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