Member for
3 ปี 8 เดือนAge: 13-14
Level: 7.
Language: Hungarian
(hu)
ไอดี: 972711
04/05/2021
Country code: HU
Country: Hungary
Main content: Ionok kialakulása (2055891)
From worksheet author:
Negatív ionok gyakorlása
Other contents:
elektronszerkezet
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