12:46,
YEREVAN, JULY 21, ARMENPRESS. 4 Armenian school-children participated in the 54th International Chemistry Olympiad which was held online from July 10 to 18, the Armenian ministry of education, science, culture and sport said.
Leonid Asatryan captured a silver medal, and Hayk Aghekyan, Sona Sagheyan and Tigran Harutyunyan won bronze medals.
326 students from 84 countries participated in the 2022 International Chemistry Olympiad.