I’m sorry I don’t understand if you can may you say it in English?
(3) <span>electronegativities of the bonded atoms in a molecule of the compound is the correct answer.
The compound is nonpolar when</span> electronegativity is from 0 to 0.5, polar when electronegativity is from 0.5 to 1.7, and ionic when electronegativity is larger than 1.7.
Hope this would help~
delta g must be negative in order for the reaction to be spontaneous bb ♡