Fastest recitation of periodic table in reverse order by a child
The record for being the fastest to recite the periodic table in reverse order was set by M. Jeffrey Joseph (born on March 22, 2011) of Idukki, Kerala. He recited the names of all the 118 elements of the periodic table in reverse order in 35 seconds and 56 milliseconds at the age of 11 years, 10 months and 1 day, as confirmed on January 23, 2023.