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Ciencia y tecnología
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Materia
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Age 12-15
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level: secundaria
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Spanish
Author's Instructions
Estructura atómica, isotopos, isobaros
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Ciencia y tecnología
-
Materia
-
Age 12-15
-
level: secundaria
-
Spanish
Author's Instructions
Estructura atómica, isotopos, isobaros