Metalamonium or Metalammonium: How To spell?

The word Metalamonium is misspelled against Metalammonium, a noun meaning "A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen."

--> Metalammonium has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings metala & onium which should not be misspelled with single 'M'
Wrong Spelling:  metala-m-onium 
Correct Spelling:  metala-mm-onium 
Check more misspelled words of Metalammonium to spell it correct.

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