El agua es un compuesto químico formado por hidrógeno y oxígeno. ¿Recuerdas su fórmula química?
Prueba inicial 3º ESO

Quiz
•
Physics, Chemistry, Science
•
9th Grade
•
Hard
Fernando Herrera
Used 13+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
HO (simplificado)
H2O
OH
OH2
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Si el Berilio cuenta con un número atómico (Z) de 4. ¿Cuántos protones tiene?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Cómo era la relación entre el número másico y el número atómico?
A= Z - N
Z= A + 2N
A= Z + N
A= Z
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Expresa la siguiente medida en unidades del Sistema Internacional: 35 km/h
35 km/h
2 m/s
23,3 m/s
9,72 m/s
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Expresa la siguiente medida en unidades del Sistema Internacional: 50 mm2
5.10-5 m2
50000 m2
0,00005 m2
50 m2
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
¿Cuántos grados Kelvin son 400 ºC?
221 K
402 K
273 K
673 K
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Escribe en notación científica 149 600 000 000
1,496.108
1,496.1010
1,496.1012
1,496.1011
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