R/99_check_functions.R
    check_chemical_element.RdThis function checks whether a given symbol is a valid chemical element. The function uses a list of known chemical elements up to 2022. It returns TRUE if the symbol is valid, otherwise returns FALSE.
check_chemical_element(element)A logical value: TRUE if the element symbol is valid, FALSE otherwise.
check_chemical_element("Fe") # TRUE
#> [1] TRUE
check_chemical_element("Fz") # FALSE
#> [1] FALSE