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Ag - Silver

The precious metal silver has been used for centuries and is one of the oldest known currencies. The electrochemistry of silver is also investigated. Uses of silver and its compounds include ornamentation, electronics and antibacterial agents. Silver is a powerful natural antibiotic.


Atomic number   47   Density, g/mL   10 .5
Atomic weight,u   107 .868 Melting point, K   1234  
Bonding radius, A   1 .34 Boiling point, K   2436  
Atomic radius, A   1 .75 Heat of vaporization, kJ/mol   250 .58
Ionization Potential, V   7 .576 Heat of fusion, kJ/mol   11 .3
Electronegativity   1 .93 Specific heat, J/gK   0 .235
The oxide is amphoteric.
Crystal are face centered cubic.

Electron config. : [Kr] 4d10 5s1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac** Rf Db Sg Bh Hs Mt 110 111 112   114
Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr



Selected Compounds:
name/formula
mass, g/mol
mp,K 
bp,K 
density, g/cc
solubility(temp), g/100cc
silver acetate
AgCO2CH3
166.92
d
-
3.259
1.02(20)
2.52(80)
white solid - Determination of Ksp experiment
silver bromide
AgBr
187.78
432
d>1300
6.437
8.4X10-6(20)
.00037(100)
bromyrite, pale yellow solid - light sensitive chemical in photography
silver carbonate
Ag2CO3
275.75
d 218
-
6.077
.0032(20)
.05(100)
yellow solid
silver chloride
AgCl
143.32
455
1550
5.56
8.9X10-5(10)
.0021(100)
cerargyrite, white solid, cubic - Used in electrochemical titrations/qual.
silver fluoride
AgF
126.87
435
1159
5.852
182(15.5)
205(108)
yellow solid, cubic
silver hydroxide
AgOH
124.87
-
-
-
-
-
tan precipitate - used in anions experiment
silver iodide
AgI
234.77
tr 146
-
5.683
2.8X10-7(25)
2.5X10-6(80)
iodyrite, yellow hexagonal - photographic chemical
silver nitrate
AgNO3
169.87
212
d 444
4.352
122(0)
952(190)
colorless, rhombahedral - analytical reagent
silver oxide
Ag2O
231.74
d 300
-
7.143
.0013(20)
.0053(80)
brown-black, cubic - silver tarnish
silver sulfate
Ag2SO4
311.80
652
d 1085
5.45
0.57(0)
1.41(100)
white, rhombahedral - used in anions experiment
silver sulfide
Ag2S
247.8
tr 175
-
7.326
.00002
-
acanthite, gray/black, rhombahedral

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