
ISOTOPOS
Authored by ROGELIO CANAZA
Chemistry
10th Grade
Used 111+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Átomo que pertenece al mismo elemento químico que otro, tiene su mismo número atómico, pero distinta masa atómica.
protones
neutrones
electrones
isótopo
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Una molécula de H3PO4 tiene:
7 átomos
8 átomos
9 átomos
10 átomos
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El número de Avogadro (NA) tiene un valor de:
60,22 × 1022
6,022 × 1024
6,022 × 1023
6,023 × 1022
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Una mol de H2O equivale a:
98 g
28 g
38 g
18 g
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En una molécula de H3PO4 existen :
4 mol de H
3 mol de P
1 mol de F
4 mol de 0
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En 1 mol de H3PO4 existen:
2(6,022 × 1023) átomos de (P)
4(6,022 × 1023) átomos de (O)
3(6,022 × 1023) átomos de (F)
1(6,022 × 1023) átomos de (H)
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Del siguiente compuesto NaOH , ¿cuántos gramos de Na hay?
22 g
23 g
24 g
25 g
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