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Periodic Table Element Comparison: Compare Elements - Krypton vs Xenon

Compare Krypton and Xenon

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

Facts

Krypton
36
Kr
83.798
Gas
Colorless
noble gas
18
helium family or neon family 
4
p
[Ar] 3d10 4s2 4p6
-157.36 °C
-153.22 °C
2, 8, 18, 8
CAS7439-90-9
Neighborhood Elements of Krypton
Xenon
54
Xe
131.293
Gas
Colorless
noble gas
18
helium family or neon family 
5
p
[Kr] 4d10 5s2 5p6
-111.8 °C
-108 °C
2, 8, 18, 18, 8
CAS7440-63-3
Neighborhood Elements of Xenon

History

History
The element Krypton was discovered by William Ramsay in year 1898 in United Kingdom. Krypton derived its name from from the Greek kryptos, meaning 'hidden'
The element Xenon was discovered by William Ramsay in year 1898 in United Kingdom. Xenon derived its name derived its name from from the Greek xenos, meaning 'strange'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
4×10-6%
N/A
N/A
1.5×10-8%
2.1×10-8%
N/A
1×10-6%
N/A
N/A
2×10-9%
5×10-10%
N/A

Crystal Structure and Atomic Structure

88 pm
22.346133333333 cm3
110 pm
202 pm
25
krypton Spectrum
570.6, 570.6, 570.6 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

krypton Crystal Structure
108 pm
22.253050847458 cm3
130 pm
216 pm
25
xenon Spectrum
620.23, 620.23, 620.23 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

xenon 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
36
36
36
83.798
47.798
2, 8, 18, 8
[Ar] 3d10 4s2 4p6
4s2 4p6
 2
1S0
krypton Shells
54
54
54
131.293
77.293
2, 8, 18, 18, 8
[Kr] 4d10 5s2 5p6
5s2 5p6
 2;4;6;8
1S0
xenon Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
78Kr, 80Kr, 82Kr, 83Kr, 84Kr, 86Kr.
Naturally occurring stable isotopes:
124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 134Xe, 136Xe.

Chemical Properties: Ionization Energies and electron affinity

2
3
0 kJ/mol
1350.8, 2350.4, 3565, 5070, 6240, 7570, 10710, 12138, 22274, 25880, 2.97×104, 3.38×104, 3.77×104, 4.31×104, 4.75×104, 5.22×104, 5.71×104, 6.18×104, 7.58×104, 8.04×104, 8.53×104 kJ/mol
6
2.6
0 kJ/mol
1170.4, 2046.4, 3099.4 kJ/mol

Physical Properties

3.75 g/l
22.346133333333

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

0.00943 W/(m K)
N/A

 

Diamagnetic
N/A
-4.4×10-9
-3.69×10-10
-1.65×10-8

 

1.000427

 

1120 m/s
5.9 g/l
22.253050847458

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

0.00565 W/(m K)
N/A

 

Diamagnetic
N/A
-4.3×10-9
-5.65×10-10
-2.54×10-8

 

1.000702

 

1090 m/s

Thermal Properties - Enthalpies and thermodynamics

-157.36 °C
-153.22 °C
209.41 K
N/A

 

1.64 kJ/mol
9.02 kJ/mol
N/A
-111.8 °C
-108 °C
289.77 K
N/A

 

2.3 kJ/mol
12.64 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7439-90-9
RTECSOC6772500
2.2
1970
EU231-098-5
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-63-3
RTECSZE1280000
2.2
2591
EU231-172-7
N/A
N/A
N/A
N/A

 

N/A
N/A