Well, there are over 100 elements and most of them are not found in monosacharides. The ones that are are carbon, hydrogen and oxygen.
Helium is itself a chemical element and therefore is not found in any other chemical element.
The general formula of monosaccharides is C6H12O6.
Two Monosaccharides
In the case of each chemical element the name is found.
Thid chemical element is carbon (C).
several, mostly:carbonhydrogenoxygen
Californium is an artificial chemical element.
Nitrogen is found in all amino acids but not in monosaccharides.
Hassium is an artificial chemical element.
Dubnium is an artificial chemical element.
Californium is an artificial chemical element !
Hassium is an artificial chemical element.