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Chemistry"History of chemical elements discovery"Age category: age 14-18, undergraduates, teachers International Online Chemistry Contest "History of chemical elements discovery" with a quick result. Participants are invited to answer 15 questions with answer options. There is no time limit. Participation in the contest is free, after registration, you can order certificates for the participant and for the teacher. |
Last 20 participants
| Participant | Locality | Score |
| Qilichboyev Qadirbergan Sardor Og'li |  Urgench city | 12 из 15 |
| Qadirbergan Sardor O'g'li Qilichboyev |  g | 4 из 15 |
| Qilichboyev Qadirbergan | Urgench city | 10 из 15 |
| Florescu Ana-Maria |  București | 14 из 15 |
| Xurramova Maftuna Baxodir Qizi | Qashqadaryo | 9 из 15 |
| Xurramova Maftuna Baxodir Qizi | Qashqadaryo | 8 из 15 |
| Xurramova Maftuna Baxodir Qizi | Qashqadaryo | 8 из 15 |
| Sujit Kumar Biswas |  Narayanganj | 8 из 15 |
| Aryan Prakash |  goregaon | 13 из 15 |
| Rick Banerjee | Kolkata | 13 из 15 |
| Jha Pranav | Madhubani | 1 из 15 |
| Olga |  Vilnius | 10 из 15 |