1177. These characters seem elementary! Why? 弗 珪 硅 燐 硫

Answer:

弗  FUTSU, HOTSU, zu, doru - not, dollar

珪  KEI - a trinket

硅  KEI, yabu(ru) - Silicon

燐  RIN - phosphorus

硫  RYUU - sulphur

They all represent chemical elements.

弗素  Fluorine

珪素  Silicon

硅素  Silicon

燐  Phosphorus

硫黄  RYUU - sulphur