
Tabla periódica de los elementos
Authored by Cristian Astudillo
Science, Chemistry
8th Grade
Used 9+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son ejemplos de gases excepto
Calcio
Nitrógeno
Oxígeno
Hidrógeno
Helio
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Quién clasificó los elementos químicos en forma de tabla como la conocemos actualmente?
D. I. Mendeleiev
M. Curie
A. Einstein
M. Faraday
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas filas tiene la tabla periódica actual?
18
15
7
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas columnas tiene la tabla periódica?
7
10
15
18
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En cada casilla de la tabla periódica aparece un número entero positivo que va creciendo de uno en uno de izquierda a derecha en cada fila. ¿Cómo se denomina ese número y con qué letra se representa?
número másico, A
número atómico, Z
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué representa el número atómico de un elemento químico?
El número de protones que hay en el núcleo de cualquier átomo de ese elemento.
El número de neutrones que hay en el núcleo de cualquier átomo de ese elemento.
El número total de partículas que hay en el núcleo de cualquier átomo de ese elemento químico.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El símbolo Au corresponde a
Arsénico
Astato
Oro
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