| This article presents basic chemistry notes and information about silver, the 47th element of the periodic table.
Featured:
University of North Texas Tests Colloidal Silver
|
 The
University of North Texas, under the supervision of Mark A. Farinha,
Ph.D, conducted in-vitro time kill studies to test the effectiveness
of SilverKare
Colloidal Silver at 15 PPM and 30 PPM.
Dr. Farinha's laboratory testing confirmed
the direct antimicrobal effect of silver against Staph, Candida and
Psuedomonas. Read the details: Silver
effective against pathogenic organisms, and explore how
silver can, via direct contact, reduce bacterial population counts
from over ten million copies to undetectable in under four minutes.
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The Silver Atom Chemical Symbol: Ag
Atomic Number: 47
Atomic Weight/Mass: 107.8682 amu
Standard State: Solid, at 298 Degrees Kelvin ( 77 degrees Fahrenheit )
CAS ID: 7440-22-4
Group Number: 11
Class: Metal, Transition
Melting Point of Silver: 961.93 °C
Boiling Point of Silver: 2,212.0 °C
Number of Protons & Electrons: 47
Number of Nuetrons: 61
Crystal Structure of Silver: Cubic ( face-centered )
Density @ 293 K: 10.5 g/cm3
Atomization: 284.09 kJ mol-1
Fusion: 11.3 kJ mol-1
Vaporization: 257.7 kJ mol-1
Molar volume: 10.335 cm3 mol-1
Electrical resistivity: 1.59 µ-ohms/cm
Thermal conductivity: 429.0 W / m / K
Mass magnetic susceptibility: -2.27e-9
Number of Energy Levels/Valence Shells: 5
Ground state electron configuration: 4d10 5s1 
Silver Atom - Larger View
First Energy Level: 2 Electrons/Protons
Second Energy Level: 8 Electrons/Protons
Third Energy Level: 18 Electrons/Protons
|
Fourth Energy Level: 18 Electrons/Protons
Fifth Energy Level: 1 Electron/Proton |
Oxidation states of Silver: +1 +2 +3
Ion:
+1 pm 115.0
+2 pm 94.0
+3 pm 75.0 Silver Oxidation Reduction Reactions: Ag+2 + e- ---- Ag+
Ag+ + e- ---- Ag
2Ag0 + H2O + 2e- ---- Ag2O + 2OH-
Ag2O + H2O + 2e- ---- 2Ag + 2OH-
Silver Nuclear Magnetic Resonance ( Nuclide 107 ): Frequency: 4.046 MHz ( Ag+ ) Silver Incompatiblities:
Acetylene, ammonia, hydrogen peroxide, bromoazide, chlorine trifluoride, ethyleneimine, oxalic acid, tartaric acid Interesting chemical equations involving silver: Cu(s) + 2 AgNO3 (aq) ---- Cu(NO3)2 + 2 Ag (s)
2 Ag + S ---- Ag2S
Ag+(NO3)- + Ca2+Cl-2 ---- Ag+Cl- + Ca2+ (NO3) -2
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Silver
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The Price and Value of Silver ( Pricing Silver Ounces ) ----Silver & Medical Applications ----Silver: Transition Element or Heavy Metal? ----The Silver Atom
Featured:
Dr. Robert O Becker
|
 In
his landmark book, Body Electric, Dr. Robert O Becker documents the
re-discovery of silver for use in modern medicine. As well as demonstrating
silver's antibacterial properties, Dr. Becker discovered that silver
ions have the potential to eliminate cancerous cells.
View our overview of Dr.
Robert O. Becker's research conclusions,
and then explore our document on silver iontophoresis.
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