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Amphibole, an important group of generally dark-colored rock-forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures. (e.g. asbestos)
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∙ 15y ago
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What are main types of silicate structures?
Isolated, Double chain, framework, single chain, and sheet
What are the four major silicate groups?
island silicates (0 shared oxygen) disilicates (1 shared) single chain silictes (2 shared) ring silicates (aka double chain silicates) (2 or 3 shared) sheet silicates (3 shared) framework silicates (4 shared)
Describe the six main crystalline structures of silicate minerals?
Isolated tetrahedra silicates do not link with other silicon or oxygen atoms Ring Silicates form by sharing oxygen atoms Single Chain Silicates form a chain when sharing oxygen atoms Double Chain Silicates form when two or more single chains of tetrahedra bond to each other Sheet Silicates form when each tetrahedron shares three of its oxygen atoms with other tetrahedra Framework Silicates form when each tetrahedron is bonded to four other tetrahedras :)
Does polyvinyl chloride contain any double bonds?
Polyvinyl Chloride (or PVC) contains a double bond between the backbone carbon chain.
What is the name of c4h8 double bond in third carbon?
This question is ambiguous, because double bonds do not occur "in" a particular carbon atom but between 2 carbon atoms. If the chain is straight and the double bond occurs between the second and third atoms counting from one end of the chain, the name of the compound is butene-2, 2-butene, or but-2-ene. If the double bond occurs between the third and fourth atoms counting from one end of the chain,the name of the compound is butene-1, 1-butene, or but-1-ene. (Numbers in a hydrocarbon chain are selected so as to use the smaller number consistent with actual structure, irrespective of the end from which the counting is started.)
Which silicate mineral forms a double chain silicate structure?
amphibole
Which silicate mineral group has a double chain silicate?
A silicate mineral that shares it's oxygen atom with another silica tetrahedron, forming a chain of tetrahedra. Single chain silicates include a group called the pyroxenes.
What is the result when two single chains of tetrahedra bond to each other?
Double chain silicate
Which are nonsillicate crystalline structures?
a double chain silicate is
What are main types of silicate structures?
Isolated, Double chain, framework, single chain, and sheet
When two single chain of tetrahedra bond to each other the result is?
double chain silicate
What is the result of two single chains of tetrahedra bond to each other?
double chain silicate
Double-chain silicates are formed when?
Chain silicates have interlocking chains of silicate tetrahedra. When adjacent tetrahedrons share either two oxygen's to continue the chain, or three oxygen atoms to connect also to a second chain, double chains are formed.
What are the four major silicate groups?
island silicates (0 shared oxygen) disilicates (1 shared) single chain silictes (2 shared) ring silicates (aka double chain silicates) (2 or 3 shared) sheet silicates (3 shared) framework silicates (4 shared)
What is the chemical formula for copper silicate?
One formula often quoted is CuSiO3. I do not know if the anhydrous form of this compound exists, certainly hydrated forms do, such as Cu5(SiO3)4(OH)2 a mineral shattucktite. Some minerals called copper silicate, such as chrysocolla is sometimes quoted as being CuSiO3.nH2O. One thing is certain the silicate ion in all of these is polymeric , typically with chain or sheet structures.
In bowens reaction series how do the tetrahedra in feldspar differ from those of silicates?
The simple answer is... Feldspar has a much higher complex and stable tetrahedral orientation in comparison to that of any other Silicate variation higher up on the reation series latter. Feldspar is one of the most stable variations in orientation of, what boils down to, silicate tetrahedra. Because Feldspar is technically a form of silicate tetrahedra orientation, I am assuming you are asking how the silicate tetrahedra orientations vary from its most simple (i.e. Olivine) to its mosts complex (i.e. quartz/FELDSPAR) forms. Esentially a Silicate Ion SiO4^-4 is the most basic building block of FELDSPAR. Knowing this, as you move from the top of Bowen's reaction series, we see a gradual stabilization of the various Silicate tetrahedral orientations. These orientations include (in order of stability/complexity): [TOP OF REACTION SERIES] Individual (Singular form) Silicate Tetrahedra (i.e. Olivine) Chain (Linear form) Silicate Tetrahedra (i.e. Pyroxine) Double Chain (Bilinear form) Silicate Tetrahedra (i.e. amphibole) Sheet Silicate Tetrahedra ('2-D' form) (i.e. Mica: Biotite or Muscovite) Framework Silicate Tetrahedra ('3-D' form) (i.e. FELDSPAR) [BOTTOM OF REACTION SERIES]
What mineral is vital for making the chlorophyll molecule?
At the center of the chlorophyll molecule is a single magnesium atom. It is surrounded by alternating double and single bonds. The double bounds provide the electrons that flow through the electron transport chain.
