rufinorock
Quiz by , created more than 1 year ago

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rufinorock
Created by rufinorock almost 9 years ago
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Test período 1

Test período 1

Question 1 of 2

1

Los electones tiene carga positiva

Select one of the following:

  • True
  • False

Explanation

Question 2 of 2

1

número atómico del oxígeno es:

Select one of the following:

  • 16

  • 8

  • 4

  • 1

Explanation

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