Stanous or Stannous: How To spell?
The word Stanous is misspelled against Stannous, an adjective meaning "Pertaining to, or containing, tin; specifically, designating those compounds in which the element has a lower valence as contrasted with stannic compounds."
Stannous has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings sta & ous which should not be misspelled with single 'N'
Wrong Spelling:  sta-n-ous  Correct Spelling:  sta-nn-ous 
Check more misspelled words of Stannous to spell it correct.