A gaseous solution contains 0.40 mol Ar, 1.20 mol He, and 0.40 mol Ne. What is the mole fraction of He in the mixture? *

Olá. porque a reação na temperatura é muito rapida a do copo : )

The correct answer is c. orbital shape. "the angular momentum quantum number l describes the shape of an orbital. it corresponds to each orbital type, i.e. (0,1,2,−1)=(s,p,d,f,g,"

Answer is (d)a brainliest would be appreciated