What is the difference between monatomic and polyatomic ions?

1 Answer
Nov 14, 2015

Answer:

Mono-atomic ions are atomic ions. Polyatomic ions are molecular ions.

Explanation:

#H^-#, #X^-#, (#X# = halogen), #O^(2-)#, are all examples of mono-atomic ions. Polyatomic ions include sulfates, #SO_4^(2-)#, nitrates, #NO_3^-#, thiosulfates, #S_2O_3^(2-)#.

Do you think you think you have a handle on this?