Member for
4 ปี 1 เดือนAge: 10-14
Level: 9
Language: Czech
(cs)
ไอดี: 1929113
10/03/2022
Country code: CZ
Country: Czechia
Main content: Atomové jádro (1726625)
From worksheet author:
atomové jádro
Other contents:
radioaktivita
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![Atomové jádro Atomové jádro](/sites/default/files/styles/worksheet/public/def_files/2022/3/10/20310110957324711/20310110957324711001.jpg?itok=g4jaMIms)
![Atomové jádro Atomové jádro](/sites/default/files/styles/worksheet/public/def_files/2022/3/10/20310110957324711/20310110957324711002.jpg?itok=m7I_adQA)