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Member for
3 ปี 6 เดือนAge: 15+
Level: 11mo
Language: Spanish
(es)
ไอดี: 450151
27/10/2020
Country code: PR
Country: เปอร์โตริโก
Main content: Isótopos (1985288)
Identifica si es isótopo o elemento diferente. Calcula los protones, electrones, neutrones y masa atómica promedio.
Other contents: protones, neutrones, masa atómica, número atómico, electrones
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