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3er año

Authored by laura esquivel

Chemistry

1st - 10th Grade

Used 1+ times

3er año
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

tu preceptora se llama

Melisa

Laura

Romina

Gisela

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

¿Cuál es el número atómico del lantano?

17

16

57

47

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

CE significa

comparación eléctrica

configuración electromagnética

configuración electrónica

ninguna de las anteriores

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

los neutrones del hierro son

55

26

30

4s2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

la CE del boro es

1s2 2s2 sp6 3s2 3p6 4s2

1s2 2s1 2p5 3s2 3p6

1s2 2s2 2p6 3s1 3p6 4s2

1s2 2s2 2p6 3s2 3p6 4s2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Z corresponde a

número másico

número atómico

número de protones

número atómico

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