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Periodic Table Element Comparison: Compare Elements - Californium vs Actinium

Compare Californium and Actinium

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

Facts

Californium
98
Cf
251
Solid
N/A
actinide
N/A
 
7
f
[Rn] 5f10 7s2
900 °C
N/A
2, 8, 18, 32, 28, 8, 2
CAS7440-71-3
Neighborhood Elements of Californium
Actinium
89
Ac
227
Solid
Silver
actinide
N/A
 
7
f
[Rn] 6d1 7s2
1050 °C
3200 °C
2, 8, 18, 32, 18, 9, 2
CAS7440-34-8
Neighborhood Elements of Actinium

History

History
The element Californium was discovered by Lawrence Berkeley National Laboratory in year 1950 in United States. Californium derived its name from from California, where the element was first synthesized
The element Actinium was discovered by Friedrich Oskar Giesel in year 1899 in France. Actinium derived its name derived its name from from the Greek aktis, 'ray'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
None
None
None
None
None
N/A
None
N/A
N/A
N/A
None

Crystal Structure and Atomic Structure

N/A
16.622516556291 cm3
N/A
N/A
2.9×103
californium Spectrum
338, 338, 1102.5 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

californium Crystal Structure
195 pm
22.542204568024 cm3
N/A
N/A
810
actinium Spectrum
567, 567, 567 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

actinium 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
98
98
98
251
153
2, 8, 18, 32, 28, 8, 2
[Rn] 5f10 7s2
5f10 7s2
 2;3;4
5I8
californium Shells
89
89
89
227
138
2, 8, 18, 32, 18, 9, 2
[Rn] 6d1 7s2
6d1 7s2
 3
2D3/2
actinium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
None.

Chemical Properties: Ionization Energies and electron affinity

4
1.3
N/A
608 kJ/mol
3
1.1
N/A
499, 1170 kJ/mol

Physical Properties

15.1 g/cm3
16.622516556291

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

N/A
N/A

 

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

 

N/A

 

N/A
10.07 g/cm3
22.542204568024

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

12 W/(m K)
N/A

 

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

 

N/A

 

N/A

Thermal Properties - Enthalpies and thermodynamics

900 °C
N/A
N/A
N/A

 

N/A
N/A
N/A
1050 °C
3200 °C
N/A
N/A

 

14 kJ/mol
400 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-71-3
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-34-8
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A