
Diágnóstico.
Authored by Abraham Gonzalez Gonzalez
Chemistry
University
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando el número de _______________ es igual al de electrones, el átomo es ______________.
Neutrones, neutro
Protones, neutro
Neutrones, negativo
Protones, negativo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los Isótopos son átomos con igual número de ___________________ y distinto número de_________________.
Protones, neutrones
Neutrones, protones
Protones, electrones
Neutrones, electrones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ion se forma cuando al átomo de Magnesio (Z=12) se le retiran 2 electrones?
Mg
Mg+
Mg2+
Mg2-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El elemento sodio tiene Z=11 y A=23. Calcula el número de protones, neutrones y electrones que tiene.
12, 11 y 11
11, 11 y 11
11, 11 y 12
11, 12 y 11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Señala el número de protones y electrones del ion Fe3+ (Z=26).
26 y 23
26 y 26
23 y 26
23 y 23
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número atómico de un átomo de carga 2- si posee 15 electrones?
16
13
17
14
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un átomo de cobre neutro tiene 29 protones y su masa atómica es 63. Indica cuántos neutrones contiene
29
34
63
23
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