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Periodic Table Element Comparison: Compare Elements - Thulium vs Terbium

Compare Thulium and Terbium

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

Facts

Thulium
69
Tm
168.93421
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f13 6s2
1545 °C
1950 °C
2, 8, 18, 31, 8, 2
CAS7440-30-4
Neighborhood Elements of Thulium
Terbium
65
Tb
158.92534
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f9 6s2
1356 °C
3230 °C
2, 8, 18, 27, 8, 2
CAS7440-27-9
Neighborhood Elements of Terbium

History

History
The element Thulium was discovered by Per Teodor Cleve in year 1879 in Sweden. Thulium derived its name from from Thule, the ancient name for Scandinavia
The element Terbium was discovered by Carl Gustaf Mosander in year 1843 in Sweden. Terbium derived its name derived its name from from Ytterby, Sweden

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
1×10-8%
2×10-8%
2.9×10-6%
4.5e-07
2×10-11%
N/A
5×10-8%
1×10-8%
3.9×10-6%
9.3e-07
1.4×10-11%
N/A

Crystal Structure and Atomic Structure

222 pm
18.124043557558 cm3
N/A
N/A
105
thulium Spectrum
353.75, 353.75, 555.46 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

thulium Crystal Structure
225 pm
19.336335320599 cm3
N/A
N/A
23
terbium Spectrum
360.1, 360.1, 569.36 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

terbium 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
69
69
69
168.93421
99.93421
2, 8, 18, 31, 8, 2
[Xe] 4f13 6s2
4f13 6s2
 2;3
2F7/2
thulium Shells
65
65
65
158.92534
93.92534
2, 8, 18, 27, 8, 2
[Xe] 4f9 6s2
4f9 6s2
 1;2;3;4
6H15/2
terbium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
169Tm.
Naturally occurring stable isotopes:
159Tb.

Chemical Properties: Ionization Energies and electron affinity

3
1.25
50 kJ/mol
596.7, 1160, 2285, 4120 kJ/mol
3
N/A
50 kJ/mol
565.8, 1110, 2114, 3839 kJ/mol

Physical Properties

9.321 g/cm3
18.124043557558

 

74 GPa
31 GPa
45 GPa
0.21


 

N/A
520 MPa
471 MPa

 

1.4×106 S/m
7×10-7 m Ω
N/A

 

17 W/(m K)
0.0000133 K-1

 

Paramagnetic
25 K
1.99×10-6
3.36179×10-7
0.0185488

 

N/A

 

N/A
8.219 g/cm3
19.336335320599

 

56 GPa
22 GPa
38.7 GPa
0.26


 

N/A
863 MPa
677 MPa

 

8.3×105 S/m
1.2×10-6 m Ω
N/A

 

11 W/(m K)
0.0000103 K-1

 

Paramagnetic
222 K
1.36e-05
2.161385×10-6
0.1117784

 

N/A

 

2620 m/s

Thermal Properties - Enthalpies and thermodynamics

1545 °C
1950 °C
N/A
N/A

 

16.8 kJ/mol
250 kJ/mol
N/A
1356 °C
3230 °C
N/A
N/A

 

10.8 kJ/mol
295 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-30-4
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-27-9
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A