'J' is the first letter without an element name. Maybe a new element will be discovered and given a 'J' name before 2024. :) https://en.wikipedia.org/wiki/List

'J' is the first letter without an element name. Maybe a new element will be discovered and given a 'J' name before 2024. :) https://en.wikipedia.org/wiki/List_of_elements https://en.wikipedia.org/wiki/List_of_elements