Allophane differs from other silicate clays in all ways but one of the following (select the one).
A)nature of parent materials from which it forms
B)degree of crystallization of the particles
C)the presence of negative charges on the colloidal particles
D)widespread occurrence around the world
E)the period of time it has been subject to weathering

Question

Quizplus · Accepted Answer

Allophane is similar to other silicate clays in that it also has negative charges on its colloidal particles. The differences lie in its parent materials, degree of crystallization, distribution, and weathering period.

Allophane Differs from Other Silicate Clays in All Ways but One