Youngest to recite the entire periodic table along with their symbols and atomic numbers
The record for being the youngest to recite all the elements of the modern periodic table, along with their symbols and atomic numbers, was set by Gladwin Samuel P. (born on September 25, 2017) of Chennai, Tamil Nadu. He recited the entire periodic table in 3 minutes, 26 seconds and 48 milliseconds at the age of 4 years, 3 months and 20 days, as confirmed on January 14, 2022.