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Nihonium

Nihonium is a synthetic chemical element; it has symbol Nh and atomic number 113. It is extremely radioactive: its most stable known isotope, nihonium-286, has a half-life of about 10 seconds. In the periodic table, nihonium is a transactinide element in the p-block. It is a member of period 7 and group 13.

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278Nh
synth
282Nh
synth
283Nh
synth
284Nh
synth
285Nh
synth
286Nh
synth

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Overview

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History

Isotopes

Predicted properties

Experimental chemistry

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Nihonium

Nodes219
Edges218
Triples118
Avg. degree1.99
Density0.009132
Components1

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Nihonium

Top relations

related to Naming · 26
Nihonium → After, As Ogawa's, Before, E113, February, Fukushima Daiichi, In, In March, IUPAC, Jap, Japan, Japan's, Japanese, Japonium, JWP, Masataka Ogawa's, Morita, Nh, Nihon, Np
related to Experimental chemistry · 13
Nihonium → About, Bromine, Formation, From, III, It, JINR, Nh, NhOH, No, PTFE, The, This
related to Physical and atomic · 13
Nihonium → All, Both, Bulk, Computational, For, GPa, In, Periodic, Similar, SO, The, This, Thus
related to External links · 11
Nihonium → Elements, Mass, Nottingham, Periodic Table Archived, September, The Periodic Table, University, Uup Add Their Atomic, Uut, Videos, Wayback MachineDiscovery
related to Stability and half-lives · 6
Nihonium → All, Calculations, Coulomb, Researchers, The, This
related to Chemical · 5
Nihonium → Going, Hence, Nh, The, This
Ionisation energies · 4
Nihonium → (more), 1st: 704.9 kJ/mol (predicted), 2nd: 2240 kJ/mol (predicted), 3rd: 3020 kJ/mol (predicted)
related to Isotopes · 3
Nihonium → Eight, Several, There
is a · 2
Nihonium → synthetic chemical element, transactinide element in the p-block
related to Predicted properties · 2
Nihonium → Properties, Very

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Important terminology

element decay jinr riken elements thallium fission team 113 nuclei reaction expected would known energy isotopes nucleus alpha spontaneous superheavy

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Nihonium278Nhsynth1.00infobox
Nihonium282Nhsynth1.00infobox
Nihonium283Nhsynth1.00infobox
Nihonium284Nhsynth1.00infobox
Nihonium285Nhsynth1.00infobox
Nihonium286Nhsynth1.00infobox
Nihonium287Nhsynth1.00infobox
Nihonium290Nhsynth1.00infobox
NihoniumAtomic number (Z)1131.00infobox
NihoniumAtomic radiusempirical: 170 pm (predicted)1.00infobox
NihoniumBlockp-block1.00infobox
NihoniumBoiling point1430 K ​(1130 °C, ​2070 °F) (predicted)1.00infobox
NihoniumCAS Number54084-70-71.00infobox
NihoniumCovalent radius172–180 pm (extrapolated)1.00infobox
NihoniumCrystal structure​hexagonal close-packed (hcp) (predicted)1.00infobox
NihoniumDensity (near r.t.)16 g/cm3 (predicted)1.00infobox
NihoniumDiscoveryRiken (Japan, first undisputed claim 2004) JINR (Russia) and Livermore (US, first announcement 2003)1.00infobox
NihoniumElectron configuration[Rn] 5f14 6d10 7s2 7p1 (predicted)1.00infobox
NihoniumElectrons per shell2, 8, 18, 32, 32, 18, 3 (predicted)1.00infobox
NihoniumGroupgroup 13 (boron group)1.00infobox
NihoniumHeat of fusion7.61 kJ/mol (extrapolated)1.00infobox
NihoniumHeat of vaporisation130 kJ/mol (predicted)1.00infobox
NihoniumIonisation energies1st: 704.9 kJ/mol (predicted)1.00infobox
NihoniumIonisation energies2nd: 2240 kJ/mol (predicted)1.00infobox
NihoniumIonisation energies3rd: 3020 kJ/mol (predicted)1.00infobox
NihoniumIonisation energies(more)1.00infobox
NihoniumMain isotopes.mw-parser-output .isotopes-table{text-align:center;width:100%;border-collapse:collapse;margin:0;padding:0}.mw-parser-output .isotopes-table-headers>:not(:first-child){padding:0…1.00infobox
NihoniumMelting point700 K ​(430 °C, ​810 °F) (predicted)1.00infobox
NihoniumNamingAfter Japan (Nihon in Japanese)1.00infobox
NihoniumNatural occurrencesynthetic1.00infobox

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