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Periodic Table Element Comparison: Compare Elements - Calcium vs Barium

Compare Calcium and Barium

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

Facts

Calcium
20
Ca
40.078
Solid
Silver
alkaline earth metal
2
beryllium family 
4
s
[Ar] 4s2
842 °C
1484 °C
2, 8, 8, 2
CAS7440-70-2
Neighborhood Elements of Calcium
Barium
56
Ba
137.327
Solid
Silver
alkaline earth metal
2
beryllium family 
6
s
[Xe] 6s2
727 °C
1870 °C
2, 8, 18, 18, 8, 2
CAS7440-39-3
Neighborhood Elements of Barium

History

History
The element Calcium was discovered by Humphry Davy in year 1808 in United Kingdom. Calcium derived its name from from the Latin calx, meaning 'lime'
The element Barium was discovered by Carl Wilhelm Scheele in year 1808 in United Kingdom. Barium derived its name derived its name from from the Greek barys, meaning 'heavy'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
7e-05
7e-05
0.011
0.05
4.2e-06
0.014
1×10-6%
1×10-6%
2.7e-06
0.00034
3×10-6%
3e-07

Crystal Structure and Atomic Structure

194 pm
25.856774193548 cm3
174 pm
N/A
0.43
calcium Spectrum
558.84, 558.84, 558.84 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

calcium Crystal Structure
253 pm
39.124501424501 cm3
198 pm
N/A
1.3
barium Spectrum
502.8, 502.8, 502.8 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

barium 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
20
20
20
40.078
20.078
2, 8, 8, 2
[Ar] 4s2
4s2
 1;2
1S0
calcium Shells
56
56
56
137.327
81.327
2, 8, 18, 18, 8, 2
[Xe] 6s2
6s2
 1;2
1S0
barium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
40Ca, 42Ca, 43Ca, 44Ca, 46Ca.
Naturally occurring stable isotopes:
130Ba, 132Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138Ba.

Chemical Properties: Ionization Energies and electron affinity

2
1
2.37 kJ/mol
589.8, 1145.4, 4912.4, 6491, 8153, 10496, 12270, 14206, 18191, 20385, 57110 kJ/mol
2
0.89
13.95 kJ/mol
502.9, 965.2, 3.6×103 kJ/mol

Physical Properties

1.55 g/cm3
25.856774193548

 

20 GPa
7.4 GPa
17 GPa
0.31


 

1.75 MPa
N/A
167 MPa

 

2.9×107 S/m
3.4×10-8 m Ω
N/A

 

200 W/(m K)
0.0000223 K-1

 

Paramagnetic
N/A
1.38×10-8
5.531×10-10
2.139e-05

 

N/A

 

3810 m/s
3.51 g/cm3
39.124501424501

 

13 GPa
4.9 GPa
9.6 GPa
N/A


 

1.25 MPa
N/A
N/A

 

2.9×106 S/m
3.5×10-7 m Ω
N/A

 

18 W/(m K)
0.0000206 K-1

 

Paramagnetic
N/A
1.13×10-8
1.552×10-9
3.966e-05

 

N/A

 

1620 m/s

Thermal Properties - Enthalpies and thermodynamics

842 °C
1484 °C
N/A
N/A

 

8.54 kJ/mol
155 kJ/mol
-990 J/(kg K)
727 °C
1870 °C
N/A
N/A

 

8 kJ/mol
140 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-70-2
N/A
4.2
1855
N/A
1
Water Reactive
3
2

 

N/A
N/A
CAS7440-39-3
RTECSCQ8370000
4.3
1400
N/A
1
Water Reactive
2
2

 

N/A
N/A

Compare With Other Elements