Evaluación sumativa de primero medio.
Quiz
•
Chemistry
•
9th Grade
•
Medium
JAVIER MUNOZ
Used 5+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partícula subatómica con carga neta positiva. (1 punto)
Átomo
Neutrón
Protón
Electrón
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partícula subatómica esencial en la química, dado que definen las atracciones entre átomos. (1 punto)
Isótopo
Neutrón
Electrón
Átomo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corresponde al número de protones en el núcleo del átomo de un elemento. (1 punto)
Número másico (A)
Número atómico (Z)
Electrón
Neutrón
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partícula subatómica con carga neta neutra, encargada de dar estabilidad de casi todos los núcleos atómicos. (1 punto)
Neutrón
Electrón
Número másico
Electrón
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Especies atómicas de un mismo elemento, las cuales difieren en su número másico. (2 puntos)
Electrones
Isótopos
Protones
Cationes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de electrones (e-) es igual al número de protones (p+) en un:
(1 punto)
Átomo con carga negativa
Átomo con carga positiva
Átomo neutro
Ion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué partículas subatómicas se encuentran en el núcleo del átomo? (2 puntos)
Protones y Neutrones
Protones y Electrones
Neutrones y Electrone
Solo protones
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