28. The new systematic nomenclature was so (i)____ that many chemists preferred to (ii)____ the older trivial names that were at least shorter. At least, that is the ostensible reason. Actually, tradition seems to carry more weight than (iii)____ with some scientists.

Relax

Respuesta :

(i) cumbersome = difficult to use

(ii) revert = return

(iii) system

I hope this helps!

Cheers, July.