Berylium or Beryllium: How To spell?
The word Berylium is misspelled against Beryllium, a noun meaning "A metallic element found in the beryl. See Glucinum."
Beryllium has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings bery & ium which should not be misspelled with single 'L'
Wrong Spelling:  bery-l-ium  Correct Spelling:  bery-ll-ium 
Check more misspelled words of Beryllium to spell it correct.