What type of silicate minerals is shown from this arrangement of silicon tetrahedron?

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22-08-2017
Chemistry

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What type of silicate minerals is shown from this arrangement of silicon tetrahedron?

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meerkat18 meerkat18 · Answer 1 · 2017-09-04T17:26:13+02:00

Since no choices are given, I would just give the 6 possible tetrahedron structures of silicate minerals. Then, it will be up to you to distinguish which one fits to your choices.

1. Isolated tetrahedra - they are separated by positive charges. An example would be olivine.
2. Ringed tetrahedra - they are linked together by positive charges, like that of tourmaline.
3. Tetrahedra - oxygen is shared by two neighbors like that of the pyroxene family.
4. Double chains/Ribbons - example whould be the amphibole family
5. Silica Sheets - when oxygen is shared by three adjacent molecules like the micas and the clay minerals.
6. Three-dimensional framework - four oxygen atoms are linked to other tetrahedra like feldspar and quartz.

tifanihayyu tifanihayyu · Answer 2 · 2019-09-09T20:58:34+02:00

Type of silicate minerals is shown from this arrangement of silicon tetrahedron: B. single chain

Further explanation

Silicate minerals are rock-forming minerals made up of silicate groups. Silicate minerals are the largest class of minerals because it make up approximately 90 percent of the Earth's crust. Silica SiO₂ is usually considered a silicate mineral. Silica tetrahedra, made up of silicon and oxygen, form chains, sheets, and frameworks, and bond with other cations to form silicate minerals.

Single chain silicates contain silica tetrahedra that are linked up in a chain by sharing two oxygen atoms. The most common single chain silicate is pyroxene. In single-chain silicates, tetrahedra link to form a chain by sharing two oxygen atoms each. A common mineral in this group is pyroxene.

Pyroxene is any of a large class of rock-forming silicate minerals, generally containing calcium, magnesium, and iron and typically occurring as prismatic crystals

In pyroxene, silica tetrahedra form a chain because one oxygen from each tetrahedron is shared with the adjacent tetrahedron.

Learn more

Learn more about single chain https://brainly.com/question/2169323
Learn more about silicate minerals https://brainly.com/question/3491163
Learn more about silicon tetrahedron https://brainly.com/question/12564861

Answer details

Grade: 9

Subject: Chemistry

Chapter: tetrahedron

Keywords: single chain, silicate minerals, silicon tetrahedron, arrangement, Tetrahedra