The negative charges associated with montmorillonite clay crystals are due mostl
ID: 1070585 • Letter: T
Question
The negative charges associated with montmorillonite clay crystals are due mostly to ______.
Question options:
A) OH groups on the external surface of the crystal
B) high pH associated with the formation of the mineral
C) substitution of Al for Mg in the tetrahedral sheet
D) isomorphous substitution of Mg for Al in the octahedral sheet
A) OH groups on the external surface of the crystal
B) high pH associated with the formation of the mineral
C) substitution of Al for Mg in the tetrahedral sheet
D) isomorphous substitution of Mg for Al in the octahedral sheet
Explanation / Answer
The negative charges associated with montmorillonite clay crystals are due mostly to.....
A) OH groups on the external surface of the crystal
B) high pH associated with the formation of the mineral
C) substitution of Al for Mg in the tetrahedral sheet
D) isomorphous substitution of Mg for Al in the octahedral sheet
Answer = D) isomorphous substitution of Mg for Al in the octahedral sheet.