- KEMIJA
- Periodni sistem
- Age 13-15
-
level: 8. RAZRED
- Slovene
คำแนะนำของผู้เขียน
Preverjanje simbolov elementov in njihovih imen.
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Simboli elementov v periodnem sistemu
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คำแนะนำของผู้เขียน
Preverjanje simbolov elementov in njihovih imen.