Youngest to recall periodic table elements randomly by their atomic numbers
The record for being the youngest to recall the periodic table elements randomly by their atomic numbers was set by K. Nepuna (born on February 3, 2016) of Tiruchirappalli, Tamil Nadu. She recalled all the 118 elements of the periodic table randomly by their atomic numbers in just 3 minutes and 53 seconds, at the age of 5 years, 3 months and 18 days, as confirmed on May 21, 2021.