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Periodic Table Element Comparison: Compare Elements - Promethium vs Silver

Compare Promethium and Silver

Compare Promethium and Silver on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Promethium vs Silver with most reliable information about their properties, attributes, facts, uses etc. You can compare Pm vs Ag on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Promethium
61
Pm
145
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f5 6s2
1.1×103 °C
3×103 °C
2, 8, 18, 23, 8, 2
CAS7440-12-2
Neighborhood Elements of Promethium
Silver
47
Ag
107.8682
Solid
Silver
transition metal
11
copper family 
5
d
[Kr] 4d10 5s1
961.78 °C
2162 °C
2, 8, 18, 18, 1
CAS7440-22-4
Neighborhood Elements of Silver

History

History
The element Promethium was discovered by Chien Shiung Wu in year 1945 in United States. Promethium derived its name from from Prometheus of Greek mythology who stole fire from the Gods and gave it to humans
The element Silver was discovered by unknown in year 3000 BC in unknown place. Silver derived its name derived its name from from English word (argentum in Latin)

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
None
None
None
None
None
6×10-8%
1×10-7%
1.4e-07
7.9×10-6%
1×10-8%
N/A

Crystal Structure and Atomic Structure

205 pm
19.961453744493 cm3
N/A
N/A
8×103
promethium Spectrum
N/A
N/A
N/A
N/A

Simple Hexagonal

promethium Crystal Structure
165 pm
10.282955195424 cm3
153 pm
172 pm
63.6
silver Spectrum
408.53, 408.53, 408.53 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

silver Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
61
61
61
145
84
2, 8, 18, 23, 8, 2
[Xe] 4f5 6s2
4f5 6s2
 2;3
6H5/2
promethium Shells
47
47
47
107.8682
60.8682
2, 8, 18, 18, 1
[Kr] 4d10 5s1
4d10 5s1
-2;-1  1;2;3;4
2S1/2
silver Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
107Ag, 109Ag.

Chemical Properties: Ionization Energies and electron affinity

3
N/A
50 kJ/mol
540, 1050, 2150, 3970 kJ/mol
1
1.93
125.6 kJ/mol
731, 2070, 3361 kJ/mol

Physical Properties

7.264 g/cm3
19.961453744493

 

46 GPa
18 GPa
33 GPa
0.28


 

N/A
N/A
N/A

 

1.3×106 S/m
7.5×10-7 m Ω
N/A

 

15 W/(m K)
0.000011 K-1

 

N/A
N/A
N/A
N/A
N/A

 

N/A

 

N/A
10.49 g/cm3
10.282955195424

 

83 GPa
30 GPa
100 GPa
0.37


 

2.5 MPa
251 MPa
24.5 MPa

 

6.2×107 S/m
1.6×10-8 m Ω
N/A

 

430 W/(m K)
0.0000189 K-1

 

Diamagnetic
N/A
-2.27×10-9
-2.45×10-10
-2.38e-05

 

N/A

 

2.6×103 m/s

Thermal Properties - Enthalpies and thermodynamics

1.1×103 °C
3×103 °C
N/A
N/A

 

7.7 kJ/mol
290 kJ/mol
N/A
961.78 °C
2162 °C
N/A
N/A

 

11.3 kJ/mol
255 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-12-2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-22-4
RTECSVW3500000
N/A
N/A
N/A
0
N/A
1
0

 

N/A
N/A