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Soils > Topic 7- Colloids And CEC > Flashcards

Topic 7- Colloids And CEC Flashcards

1
Q

1: 1
2: 1
2: 1:1 structures

A

1: 1- 1 tet and 1 octa
2: 1- 2 tet and I octa
2: 1:1- 2 tet and 2 octa

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2
Q

What are four main categories of collids

A

Volcanic minerals
Phyllosilicte clays
Iron/Al/ Mg/ oxides
Humic substances

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3
Q

Isomorphic substitution

A

Subitutes one lower charge element with another of equal size( high charge)

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4
Q

Examples 1:1 clays

A

Kaolinite

Halloysite

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5
Q

2:1 examples

A

Vermiculite
Montmorillonite
Illite

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Soils (5 decks)

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