
Isótopos 3º ESO
Authored by Eduardo Moraga
Chemistry, Physics
7th - 9th Grade
Used 36+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dos átomos son isótopos si:
Tienen el mismo número protones y distinto de electrones
Tienen distinto número de protones e igual Z
Tienen igual Z y distinto A
Tienen igual A y distinto Z
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Si un átomo tiene Z=8 y A=19 y otro tiene 8 protones y A=20 son:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El hidrógeno se presenta en la naturaleza en forma de tres isótopos: 11 H 12 H 13 H. En la tabla periódica, en la casilla del hidrógeno, pone: 11,004 H.
Responde a la opción verdadera:
El más abundante en la naturaleza es el isótopo 11 H
Son los tres igual de abundantes
Falso, el hidrógeno no tiene isótopos.
El más abundante es 12 H
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Un átomo A tiene 10 p+ y 12 n,
otro B tiene 12 p+ y 10 n
y otro C tiene 10 p+ y 10 n.
Elige las opciones verdaderas pues hay más de una.
A y B son isótopos
A y C son isótopos
B pesa más que A
C pesa más que A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
LOS ISÓTOPOS SON ELEMENTOS CON IGUAL...
A
Z
N
NINGUNA ALTERNATIVA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se obtiene la masa atómica de un átomo?
Por la masa de protones mas la masa de electrones
Por la masa de protones mas la masa de neutrones
Por la masa de neutrones mas la masa de electrónes
Por la cantidad de neutrones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número atómico de éste átomo?
7
6
4
3
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