Youngest to recite periodic table in reverse order
The record for being the youngest to recite the periodic table in reverse order was set by Ethan Ashwin (born on March 25, 2018) of Kochi, Kerala. He recited the names of all the 118 elements of the periodic table in reverse order in just 5 minutes and 13 seconds, at the young age of 2 years, 7 months and 25 days, as confirmed on January 19, 2021.