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Periodic Table Element Comparison: Compare Elements - Rubidium vs Cadmium

Compare Rubidium and Cadmium

Compare Rubidium and Cadmium 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 Rubidium vs Cadmium with most reliable information about their properties, attributes, facts, uses etc. You can compare Rb vs Cd on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Rubidium
37
Rb
85.4678
Solid
Silver
alkali metal
1
lithium family 
5
s
[Kr] 5s1
39.31 °C
688 °C
2, 8, 18, 8, 1
CAS7440-17-7
Neighborhood Elements of Rubidium
Cadmium
48
Cd
112.411
Solid
Silver
transition metal
12
zinc family 
5
d
[Kr] 4d10 5s2
321.07 °C
767 °C
2, 8, 18, 18, 2
CAS7440-43-9
Neighborhood Elements of Cadmium

History

History
The element Rubidium was discovered by Robert Bunsen in year 1861 in Germany. Rubidium derived its name from from the Latin rubidus, meaning 'deep red'
The element Cadmium was discovered by Karl Samuel Leberecht Hermann in year 1817 in Germany. Cadmium derived its name derived its name from from the New Latin cadmia, from King Kadmos

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
1×10-6%
3×10-6%
3.2e-06
6e-05
1.2e-07
4.6e-06
2×10-7%
6×10-7%
4.4e-07
1.5e-07
5×10-9%
7e-07

Crystal Structure and Atomic Structure

265 pm
55.788381201044 cm3
211 pm
N/A
0.38
rubidium Spectrum
558.5, 558.5, 558.5 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

rubidium Crystal Structure
161 pm
12.99549132948 cm3
148 pm
158 pm
2450
cadmium Spectrum
297.94, 297.94, 561.86 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

cadmium 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
37
37
37
85.4678
48.4678
2, 8, 18, 8, 1
[Kr] 5s1
5s1
-1  1
2S1/2
rubidium Shells
48
48
48
112.411
64.411
2, 8, 18, 18, 2
[Kr] 4d10 5s2
4d10 5s2
-2  1;2
1S0
cadmium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
85Rb.
Naturally occurring stable isotopes:
106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 114Cd.

Chemical Properties: Ionization Energies and electron affinity

1
0.82
46.9 kJ/mol
403, 2633, 3860, 5080, 6850, 8140, 9570, 13120, 1.45×104, 26740 kJ/mol
2
1.69
0 kJ/mol
867.8, 1631.4, 3616 kJ/mol

Physical Properties

1.532 g/cm3
55.788381201044

 

2.4 GPa
N/A
2.5 GPa
N/A


 

0.3 MPa
N/A
0.216 MPa

 

8.3×106 S/m
1.2×10-7 m Ω
N/A

 

58 W/(m K)
N/A

 

Paramagnetic
N/A
2.6×10-9
2.22×10-10
3.98×10-6

 

N/A

 

1.3×103 m/s
8.65 g/cm3
12.99549132948

 

50 GPa
19 GPa
42 GPa
0.3


 

2 MPa
N/A
203 MPa

 

1.4×107 S/m
7×10-8 m Ω
0.517

 

97 W/(m K)
0.0000308 K-1

 

Diamagnetic
N/A
-2.3×10-9
-2.59×10-10
-1.99e-05

 

N/A

 

2310 m/s

Thermal Properties - Enthalpies and thermodynamics

39.31 °C
688 °C
2093 K
N/A

 

2.19 kJ/mol
72 kJ/mol
N/A
321.07 °C
767 °C
N/A
0.517

 

6.3 kJ/mol
100 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-17-7
RTECSVL8500000
4.3
1423
N/A
3
Water Reactive
2
N/A

 

N/A
N/A
CAS7440-43-9
RTECSEU9800000
6.1
2570
N/A
2
N/A
2
0

 

250 °C
N/A