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Silver

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== Occurrences ==
== Occurrences ==
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The central silver mineral is the [[argentite]]. [[Argentite]] is an ore of silver. An ore is a kind of rock that withholds minerals; these minerals contain critical elements including metals. Since [[argentite]] is the main ore of silver, it is correlated with other sulfides such as [[lead]] and [[copper]] sulfides. There are various other silver minerals including: [[cerargirite]] (AgCl), [[proustite]] (3Ag2S.Ag2S3), [[pirargirite]] (3Ag2S.Sb2S3), [[stefanite]] (5Ag2S.Sb2S3), and the native silver itself. Silver transpires in several of the [[lead]] and [[copper]] ores. It is also connected with [[cobalt]] and [[gold]] arsenide.
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The central silver mineral is the [[argentite]]. [[Argentite]] is an ore of silver. An ore is a kind of rock that withholds minerals; these minerals contain critical elements including metals. Since [[argentite]] is the main ore of silver, it is correlated with other sulfides such as [[lead]] and [[copper]] sulfides. There are various other silver minerals including: [[cerargirite]] (AgCl), [[proustite]] (3Ag2S.Ag2S3), [[pirargirite]] (3Ag2S.Sb2S3), [[stefanite]] (5Ag2S.Sb2S3), and the native silver itself. Silver transpires in several of the [[lead]] and [[copper]] ores. It is also connected with [[cobalt]] and [[gold]] arsenide. Most of the silver that is produced is actually a by-product of the extraction of other metals such as [[lead]], [[gold]], and [[copper]]. Nevertheless, there are still mines that are devout to just the extraction of silver. [http://nautilus.fis.uc.pt/st2.5/scenes-e/elem/e04720.html]
== Uses ==
== Uses ==

Revision as of 02:59, 14 December 2009

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Silver
Silver
General Info
Atomic Symbol Ag
Atomic Number 47
Atomic Weight 107.8682 g/mol107.868 amu
Chemical series Transition metals
Appearance Metallic
Sample silver.jpg
Group, Period, Block 11, 5, d
Electron configuration [Kr] 4d10 5s1
Electrons per shell 2, 8, 18, 18, 1
Electron shell silver.png
CAS number 7440-22-4
Physical properties
Phase solid
Density 10.5g/cc @ 300 K g/ml
Melting point 961.78 °C1,234.93 K
1,763.204 °F
2,222.874 °R
Boiling point 2163 °C2,436.15 K
3,925.4 °F
4,385.07 °R
Isotopes of Silver
iso NA half-life DT DE (MeV) DP
105Ag syn 41.2 d ε - 105Pd
105Ag syn 41.2 d γ 0.344, 0.280, 0.644, 0.443 -
106mAg syn 8.28 d ε - 106Pd
106mAg syn 8.28 d γ 0.511, 0.717, 1.045, 0.450 -
107Ag 51.839% 107Ag is stable with 60 neutrons.
108mAg syn 418 y ε - 108Pd
108mAg syn 418 y IT 0.109 108Ag
108mAg syn 418 y γ 0.433, 0.614, 0.722 -
109Ag 48.161% 109Ag is stable with 62 neutrons.
111Ag syn 7.45 d β- 1.036, 0.694 111Cd
111Ag syn 7.45 d γ 0.342 -
All properties are for STP unless otherwise stated.


Contents

Introduction

Write this section last...


Properties

Description

Silver is an extremely cushioned metal. It's appearance varies, depending on what specific compound it is in. [1] It has a silvery, white metallic luster and is just a little bit firmer than gold. Silver is extremely ductile and malleable, meaning that it is capable of being hammered out thin, and is also capable of being hammered and molded into shape. Pure silver itself, possesses the most highest electrical and thermal conductivity of all the metals. However, silver also has the lowest contact resistance of all metals, meaning that the electrical resistance is extremely low. [2] Silver that is immature (fresh or brand new) and that has just been deposited makes for the best known reflector of conspicuous light. However, it quickly blemishes and depletes it's almost impeccable reflectance.

Occurrences

The central silver mineral is the argentite. Argentite is an ore of silver. An ore is a kind of rock that withholds minerals; these minerals contain critical elements including metals. Since argentite is the main ore of silver, it is correlated with other sulfides such as lead and copper sulfides. There are various other silver minerals including: cerargirite (AgCl), proustite (3Ag2S.Ag2S3), pirargirite (3Ag2S.Sb2S3), stefanite (5Ag2S.Sb2S3), and the native silver itself. Silver transpires in several of the lead and copper ores. It is also connected with cobalt and gold arsenide. Most of the silver that is produced is actually a by-product of the extraction of other metals such as lead, gold, and copper. Nevertheless, there are still mines that are devout to just the extraction of silver. [3]

Uses

Description

General Uses

Silver's alloys have several different uses for the commercial marketing and industry. It can be used for various different things such as silverware, jewelry, batteries, mirrors, photography, dental materials and compounds, solder and much more. [4]

Medical Uses



Colloidal silver boost immunity or overall health?

Gallery


References

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