Riyadh, Apr 27, 2019, SPA -- The Kingdom of Saudi Arabia's team, represented by King Abdulaziz and his Companions Foundation for Giftedness and Creativity and the Ministry of Education, in collaboration with King Abdullah University of Science and Technology (KAUST), won silver and bronze medals, during the Mendeleev International Chemistry Olympiad, in St. Petersburg, Russia, which was held from 20 to 28 April, with participation of 30 countries. Saudi student Osama Al-Ali from Riyadh Education Department won a silver medal, while his colleague Rabab Al-Rafei from Al-Ahsa Education Department won a bronze medal. This is the Kingdom seventh participation in the Mendeleev International Chemistry Olympiad, with an overall tally of 9 bronze and one silver medals. --SPA 16:51 LOCAL TIME 13:51 GMT 0007 www.spa.gov.sa/w1092464