Which of the following is acid cation?
A. Ca2+
B. H+
C. Mg2+
D. K+
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Ions with the same valence share the same exchange ability.
Only permanent surface charges are present on the surface of typical 1: 1 phyllosilicate clay mineral-kaolinite.
Which of the following clay minerals is nonexpanding 2: 1 clay mineral?
A. Montmorillonite
B. Kaolinite
C. Vermiculite
D. Illite
Aluminum-oxygen octahedron consists of one aluminum ion and ( ) oxygen ions.
A. four
B. five
C. six
D. seven