
Elementos Representativos
Authored by Lizbeth Cordero
Chemistry
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Los metales alcalinos son metales reactivos que producen fácilmente...
Peróxidos
Óxidos
Hidróxidos
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuál es el porcentaje de metales de la familia 2A, en la corteza terrestre?
4,8%
7%
4%
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuáles de los siguientes elementos pertenecen a los metales térreos?
- Escandio (Sc)
- Litio (Li)
- Berilio (Be)
- Manganeso (Mn)
- Estroncio (Sr)
- Magnesio (Mg)
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuál es el elemento más abundante que pertenece a los metales térreos?
Cromo (Cr)
Aluminio (Al)
Sodio (Na)
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuántos electrones de valencia tienen los elementos del grupo 4A o Carbonoides?
4 electrones
6 electrones
3 electrones
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuál es el porcentaje que constituye el peso de los Carbonoides en la corteza terrestre?
50,5%
17,5%
27%
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Qué elementos encontramos en el grupo 5A o Nitrogenoides?
- Fosforo (P)
- Arsénico (As)
- Galio (Ga)
- Indio (In)
- Germanio (Ge)
- Silicio (Si)
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