Member for
4 ปี 2 เดือนAge: 13-14
Level: 7.
Language: Hungarian
(hu)
ไอดี: 139052
29/04/2020
Country code: HU
Country: Hungary
Main content: Atomok és elemek (1995251)
From worksheet author:
Periódusos rendszer
Other contents:
Elektronszerkezet 2.
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![Kémia Kémia](/sites/default/files/styles/worksheet/public/def_files/2020/4/30/4301740469334/4301740469334001.jpg?itok=qcpQ9UzA)