The simpleness of it all may be that all elements known to mankind can be determined by Flame Atomic Absorption Spectrometry!
This involves the Released Electro-magnetic Energy of each element, which may be identified by Flame Atomic Absorption Spectrometry!
Ah, and some thought they were so smart, but forgot they didn't understand fields of expertise like these!
A wise old saying goes something like this: When we do not understand a subject field we may be better to keep our Big mouth shut before we end up making a Great Fool out of ourself, by sticking our Big foot into our mouth!