EL número de masa es igual a :
Diagnóstico 5to Bachillerato Científico Química

Quiz
•
Chemistry, Science
•
1st - 4th Grade
•
Medium
Jessica Monterroso
Used 9+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El número atómico
Electrones - protones
Número de protones + número de neutrones
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se define como número atómico a:
El número de protones que hay en el núcleo del átomo.
El número de electrones que giran en el átomo.
Protones + electrones
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un isótopo es un átomo de un elemento con diferente masa.
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El número de Avogadro es:
Cantidad de partículas unitarias que se tienen de una sustancia.
Cantidad de moles
Cantidad de átomos
Todas son correctas
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Es la energía necesaria para extraer un electrón de un átomo gaseoso en su estado basal.
Electrones de valencia
Energía de ionización
Diagrama de Bohr
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las columnas verticales de la tabla periódica se llaman:
Familias o grupos
Período
Metales
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las líneas horizontales se llaman:
Grupo
Valencia
Período
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