Periodic Table Element Comparison: Compare Elements - Helium vs Tennessine

Compare Helium and Tennessine

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

Name	Helium	Tennessine
Atomic Number	2	117
Atomic Symbol	He	Ts
Atomic Weight	4.002602	294
Phase at STP	Gas	Solid
Color	Colorless	-
Metallic Classification	Noble Gas	Halogens
Group in Periodic Table	group 18	group 17
Group Name	helium family or neon family	fluorine family
Period in Periodic Table	period 1	period 7
Block in Periodic Table	p -block	p -block
Electronic Configuration	1s2	[Rn] 5f14 6d10 7s2 7p5
Electronic Shell Structure (Electrons per shell)	2	2, 8, 18, 32, 32, 18, 7
Melting Point	0 K	-
Boiling Point	4.22 K	-
CAS Number	CAS7440-59-7	CAS87658-56-8
Neighborhood Elements	Neighborhood Elements of Helium	Neighborhood Elements of Tennessine

History	The element Helium was discovered by P. Janssen and N. Lockyer in year 1868 in Sweden and United Kingdom. Helium derived its name from the Greek word helios, meaning 'sun'.	The element Tennessine was discovered by Yuri Oganessian et al.(JINR in Dubna) in year 2010. Tennessine derived its name from Tennessee, United States.
Discovery	P. Janssen and N. Lockyer (1868)	Yuri Oganessian et al.(JINR in Dubna) (2010)
Isolated	W. Ramsay,T. Cleve, and N. Langlet (1895)	()

Abundance in Universe	230000000 / 72000000	- / -
Abundance in Sun	230000000 / 74000000	- / -
Abundance in Meteorites	- / -	- / -
Abundance in Earth's Crust	5.5 / 30	- / -
Abundance in Oceans	0.0072 / 0.011	- / -
Abundance in Humans	- / -	- / -

Atomic Volume	22.4136 cm3/mol	-
Atomic Radius	31 pm	-
Covalent Radius	32 pm	-
Van der Waals Radius	140 pm	-
Atomic Spectrum
Lattice Constant	424.2, 424.2, 424.2 pm	-
Lattice Angle	π/2, π/2, π/2	-
Space Group Name	Fm_ 3m	-
Space Group Number	225	-
Crystal Structure	Face Centered Cubic	-

Atomic Number	2	117
Number of Electrons (with no charge)	2	117
Number of Protons	2	117
Mass Number	4.002602	294
Number of Neutrons	2	177
Shell structure (Electrons per energy level)	2	2, 8, 18, 32, 32, 18, 7
Electron Configuration	1s2	[Rn] 5f14 6d10 7s2 7p5
Valence Electrons	1s2	7s2 7p5
Oxidation State	-	-
Atomic Term Symbol (Quantum Numbers)	1S0	2P3/2
Shell structure

Known Isotopes	3He, 4He, 5He, 6He, 7He, 8He, 9He, 10He
Stable Isotopes	Naturally occurring stable isotopes: 3He, 4He
Neutron Cross Section	0.007	-
Neutron Mass Absorption	0.00001	-

Valence or Valency	0	-
Electronegativity	-	-
Electron Affinity	0 kJ/mol	-
Ionization Energies	1st: 2372.3 kJ/mol 2nd: 5250.5 kJ/mol

Density	0.0001785 g/cm3	-
Molar Volume	22.4136 cm3/mol	-
Elastic Properties
Young Modulus	-	-
Shear Modulus	-	-
Bulk Modulus	-	-
Poisson Ratio	-	-
Hardness - Tests to Measure of Hardness of Element
Mohs Hardness	-	-
Vickers Hardness	-	-
Brinell Hardness	-	-
Electrical Properties
Electrical Conductivity	-	-
Resistivity	-	-
Superconducting Point	-	-
Heat and Conduction Properties
Thermal Conductivity	0.1513 W/(m K)	-
Thermal Expansion	-	-
Magnetic Properties
Magnetic Type	Diamagnetic	-
Curie Point	-	-
Mass Magnetic Susceptibility	-5.9e-9 m3/kg	-
Molar Magnetic Susceptibility	-2.36e-11 m3/mol	-
Volume Magnetic Susceptibility	-1.05e-9	-
Optical Properties
Refractive Index	1.000035	-
Acoustic Properties
Speed of Sound	970 m/s	-

CAS Number	CAS7440-59-7	CAS87658-56-8
RTECS Number	RTECSMH6520000	-
DOT Hazard Class	2.2	-
DOT Numbers	1963	-
EU Number	-	-
NFPA Fire Rating	0	-
NFPA Hazards	-	-
NFPA Health Rating	1	-
NFPA Reactivity Rating	0	-
AutoIgnition Point	-	-
Flashpoint	-	-

Periodic Table Element Comparison: Compare Elements - Helium vs Tennessine

Compare Helium and Tennessine

Facts

History

Presence: Abundance in Nature and Around Us

Crystal Structure and Atomic Structure

Atomic and Orbital Properties

Isotopes and Nuclear Properties

Chemical Properties: Ionization Energies and electron affinity

Physical Properties

Elastic Properties

Hardness - Tests to Measure of Hardness of Element

Electrical Properties

Heat and Conduction Properties

Magnetic Properties

Optical Properties

Acoustic Properties

Thermal Properties - Enthalpies and thermodynamics

Enthalpies

Regulatory and Health - Health and Safety Parameters and Guidelines

Compare With Other Elements

Compare Helium with all Group 18 elements

Compare Helium with all Period 1 elements

Compare Helium with all Noble Gas elements

Compare Tennessine with all Group 17 elements

Compare Tennessine with all Period 7 elements

Compare Tennessine with all Halogens elements