6834783
Description
Quiz by Oscar Delgado, updated more than 1 year ago
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Created by Oscar Delgado
about 8 years ago
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Question 1
Question
El numero másico en un átomo es igual a:
Answer
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protones + neutrones
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protones - neutrones
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protones + electrones
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electrones + neutrones
Question 2
Question
hyuuy
Answer
-
fg
-
dsf
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