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Chemical element with atomic number 7 (N)
and pressure, two atoms of the element bond to form N2, a colourless and odourless diatomic gas. N2 forms about 78% of Earth's atmosphere, making it the
Nitrogen
Topics referred to by the same term
N2 or N-2 may refer to: Dinitrogen (N₂) A model number of the Yamaha AvantGrand piano "N2", a 2011 song by Japanese indie rock band Asian Kung-Fu Generation
N2
National road in South Africa
The N2 is a national route in South Africa that runs from Cape Town through George, Gqeberha, East London, Mthatha, Port Shepstone and Durban to Ermelo
N2_(South_Africa)
The SR.N2 was a hovercraft built by Westland and Saunders-Roe. It first flew in 1961. It weighed 27 tons and could carry 48 passengers. Although only one
SR.N2
Diagram in systems analysis
The N2 chart or N2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a matrix, representing functional or physical interfaces
N2_chart
roads designated N2. Roads entries are sorted in alphabetical order by country. N2 (Bangladesh), connects Dhaka and Tamabil via Sylhet N2 road (Belgium)
List_of_N2_roads
Battery electric compact crossover SUV by Honda
The Honda e:N2, also called the Honda Insight in Japan and Honda e:NP2 / e:NS2 in China, are battery electric compact crossover SUVs produced since 2024
Honda_e:N2
Motor vehicle
Huanghai N2 ranges from 92,800 yuan to 187,800 yuan. "Huanghai N2 pickup specs". "售9.28-12.28万元 黄海N2皮卡售价公布". "前卫饱满的大家伙 抢先试驾黄海N2皮卡". "Huanghai N2 pickup
Huanghai_N2
Class of British steam locomotives
The Great Northern Railway (GNR) Class N2 is an 0-6-2T side tank steam locomotive designed by Nigel Gresley and introduced in 1920. Further batches were
GNR_Class_N2
Microlensing event in the constellation Andromeda
PA-99-N2 is a microlensing event detected in the direction of the Andromeda Galaxy in 1999. One possibility for the event is that a star in the disk of
PA-99-N2
French footballer (born 2006)
Retrieved 18 April 2023. "FC Lorient. Eli Junior Kroupi a fait ses débuts en N2 – Foot Amateur Bretagne". Foot Amateur Bretagne (in French). Le Télégramme
Eli_Junior_Kroupi
Solid form of the 7th element
9 GPa). δ-N2 admits two triple points. The (δ-N2, β-N2, liquid) triple point occurs somewhere around 8–10 GPa and 555–578 K. The (δ-N2, β-N2, γ-N2) triple
Solid_nitrogen
Liquid state of nitrogen
The diatomic character of the N2 molecule is retained after liquefaction. The weak van der Waals interaction between the N2 molecules results in little
Liquid_nitrogen
2022 foldable Android based smartphone
The Oppo Find N2 is a foldable smartphone developed by Oppo, officially announced on December 15, 2022. It is Oppo's second foldable smartphone, and a
Oppo_Find_N2
National primary road in Ireland
The N2 road is a national primary road in Ireland, running from Dublin to the border with Northern Ireland at Moy Bridge near Aughnacloy, County Tyrone
N2_road_(Ireland)
Barbiturate general anesthetic
Sodium thiopental, also known as thiopental sodium or thiopentone and sold under the brand name Pentothal, is a rapid-onset short-acting barbiturate general
Sodium_thiopental
Tabular arrangement of the chemical elements
molecules are so strong that a condensed phase is disfavoured: thus nitrogen (N2), oxygen (O2), white phosphorus and yellow arsenic (P4 and As4), sulfur and
Periodic_table
Enzyme
TRNA (guanine26-N2/guanine27-N2)-dimethyltransferase (EC 2.1.1.215, Trm1, tRNA (N2,N2-guanine)-dimethyltransferase, tRNA (m2(2G26) methyltransferase,
TRNA (guanine26-N2/guanine27-N2)-dimethyltransferase
TRNA_(guanine26-N2/guanine27-N2)-dimethyltransferase
Free-living species of nematode
with other hermaphrodites. At 20 °C, the laboratory strain of C. elegans (N2) has an average lifespan around 2–3 weeks and a generation time of 3 to 4
Caenorhabditis_elegans
Arcade platform
The Namco System N2 is an arcade platform developed by Namco and NVIDIA. It runs on an nForce2-based motherboard developed by NVIDIA. It was announced
Namco_System_N2
Industrial process for ammonia production
procedure for the production of ammonia. It converts atmospheric nitrogen (N2) to ammonia (NH3) by a reaction with hydrogen (H2) using finely divided iron
Haber_process
Coordination compounds with N2
transition metals as ion centers the dinitrogen molecules (N2) as ligands. Transition metal complexes of N2 have been studied since 1965 when the first complex
Transition metal dinitrogen complex
Transition_metal_dinitrogen_complex
Trams
Tatra KT8D5R.N2 is a reconstruction of the bidirectional tram Tatra KT8D5 and Tatra KT8D5SU (Soviet Union). They were being reconstructed between 2002
Tatra_KT8D5R.N2
Chemical compound
[Ru(NH3)5(N2)]Cl2. It is a nearly white solid, but its solutions are yellow. The cationic complex is of historic significance as the first compound with N2 bound
Pentaamine(dinitrogen)ruthenium(II) chloride
Pentaamine(dinitrogen)ruthenium(II)_chloride
Hyperbolic comet
C/2018 N2 (ASASSN) is the second of two comets discovered by the All Sky Automated Survey for SuperNovae after C/2017 O1. It is a hyperbolic comet that
C/2018_N2_(ASASSN)
Operating system for mobile devices
Lenovo Tab Extreme Wi-Fi, Nothing Phone 1, OnePlus 11, Oppo Find N2, Oppo Find N2 Flip, Realme GT 2 Pro, Tecno Camon 20 series, Vivo X90 Pro, Xiaomi
Android_(operating_system)
Chemical compound
Barium cyanide is a chemical compound with the formula Ba(CN)2. It is synthesized by the reaction of hydrogen cyanide and barium hydroxide in water or
Barium_cyanide
National highway in Ghana
The N2 or National Highway 2 is a national highway in Ghana that begins at the Tema Motorway interchange at Tema and runs through Hohoe, Nkwanta, Yendi
N2_road_(Ghana)
Irish television station
RTÉ2 (formerly known as Network 2, N2 and RTÉ Two) is an Irish free-to-air television channel owned and operated by RTÉ. It was launched on 2 November
RTÉ2
For roads numbered M2, see list of M2 roads. For roads numbered N2, see list of N2 roads. AH2, between Indonesia and Iran E002 European route E002 Trans-Sahara
List_of_highways_numbered_2
relative electronegativity. Thus, the Lewis acidity of the N2 fragment strengthens Ph3P→N2←PPh3 attraction, making triphenylphosphinazine kinetically
Dinitrogen complexes of main-group elements
Dinitrogen_complexes_of_main-group_elements
American animated sitcom
2 1990–91 22 October 11, 1990 July 11, 1991 Thursday 8:00 pm 12.2m h.[n1][n2] 33.6 "Bart Gets an 'F'" 3 1991–92 24 September 19, 1991 August 27, 1992 12m
The_Simpsons
Country in Southern Africa
experience high traffic congestion. Major expressways, including the N1, N2, N3, and N4, link key cities and form part of transcontinental routes such
South_Africa
Simplest diazo compound and methylating agent
available as a solution and is as effective as CH2N2 for methylation. PhC(H)N2, a red liquid b.p.< 25 °C at 0.1 mmHg. Diazomethane is toxic by inhalation
Diazomethane
Housing project along the N2 freeway in Cape Town, South Africa
The N2 Gateway Housing Pilot Project is a large housebuilding project under construction in Cape Town, South Africa. It has been labelled by the national
N2_Gateway
Planetary system consisting of the Sun and objects orbiting it
atmosphere of Venus and the possible role of density-driven separation of CO2 and N2" (PDF). Nature Geoscience. 10 (7). Springer Science and Business Media LLC:
Solar_System
Country in West Africa
highways handle 90% of all passenger and freight traffic. It contributes N2.4trn ($6.4bn) to GDP in 2020. The federal government is responsible for 35
Nigeria
Group of 64-bit ARM processor cores
platforms are based on Neoverse N1 cores and were released in 2020. The Neoverse N2 (code named Perseus) is derived from the Cortex-A710 and implements the ARMv9
ARM_Neoverse
Product of an integer with itself
of a number n is not the product n × n, but the equivalent exponentiation n2, usually pronounced as "n squared". The name square number comes from the
Square_number
British racing driver (born 1985)
2020. "No. 63218". The London Gazette (Supplement). 31 December 2020. p. N2. O'grady, Sean (12 May 2008). "Tax evasion 'costs lives of 5.6m children'"
Lewis_Hamilton
Small community in Northern region, Ghana
community along the N2 road in the Northern Region of Ghana. The southern terminus of the N14 road begins at Sakpeigu, where it intersects the N2 road. "Northern
Sakpeigu
TRNA (guanine10-N2)-dimethyltransferase (EC 2.1.1.213, PAB1283, N(2),N(2)-dimethylguanosine tRNA methyltransferase, Trm-G10, PabTrm-G10, PabTrm-m2 2G10
TRNA (guanine10-N2)-dimethyltransferase
TRNA_(guanine10-N2)-dimethyltransferase
Regional Route in South Africa
designation for all old sections of the N2, thus it is a discontinuous road that resumes in areas where a new N2 has been constructed. In the Cape Town
R102_(South_Africa)
Class of enzymes
rhizobacteria. These enzymes are responsible for the reduction of nitrogen (N2) to ammonia (NH3). Nitrogenases are the only family of enzymes known to catalyze
Nitrogenase
Barred spiral galaxy in the Local Group
has a central intermediate black hole of almost 100,000 solar masses. PA-99-N2 was a microlensing event detected in the Andromeda Galaxy in 1999. One of
Andromeda_Galaxy
Highway in the Netherlands
Maastricht. This section was referred to as N2, to make a distinction between the motorway (A2) and the non-motorway (N2). Until recently, the motorway A2 was
A2_motorway_(Netherlands)
Chemical compound
Cadmium cyanide is an inorganic compound with the formula Cd(CN)2. It is a white crystalline compound that is used in electroplating. It is very toxic
Cadmium_cyanide
Enzyme
In enzymology, a N2-(2-carboxyethyl)arginine synthase (EC 2.5.1.66) is an enzyme that catalyzes the chemical reaction D-glyceraldehyde 3-phosphate + L-arginine
N2-(2-carboxyethyl)arginine synthase
N2-(2-carboxyethyl)arginine_synthase
Postcode area within the United Kingdom
district N1 is the nearest of N postcode districts to central London and the N2–N22 postcode districts to its north. The postcode area is roughly bounded
N_postcode_area
Property in optics
entering a material, as described by Snell's law of refraction, n1 sin θ1 = n2 sin θ2, where θ1 and θ2 are the angle of incidence and angle of refraction
Refractive_index
TRNA (guanine26-N2)-dimethyltransferase (EC 2.1.1.216, Trm1p, TRM1, tRNA (m22G26)dimethyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:tRNA
TRNA (guanine26-N2)-dimethyltransferase
TRNA_(guanine26-N2)-dimethyltransferase
Town in Western Cape, South Africa
of the city of George, and 33 kilometres west of Plettenberg Bay, on the N2 freeway. The explanation that exists for the origins of the name "Knysna"
Knysna
Group of organonitrogen compounds
loss of N2 is both enthalpically accessible and entropically favorable: [CH3N2]+ → [CH3]+ + N2, ΔH = +43 kcal/mol [CH3CH2N2]+ → [CH3CH2]+ + N2, ΔH = +11
Diazonium_compound
In enzymology, a tRNA (guanine-N2-)-methyltransferase (EC 2.1.1.32) is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + tRNA ⇌
TRNA (guanine-N2-)-methyltransferase
TRNA_(guanine-N2-)-methyltransferase
Brand of digital piano
piano (the N3, replaced by the N3X in 2016), two "vertical" grand pianos (the N2, and the N1 replaced by the N1X in 2019), and an upright piano (the NU1, replaced
AvantGrand
Chemical compound
N1-Acetyl-N2-formyl-5-methoxykynuramine (AMFK) is a metabolite of melatonin and an antioxidant. Tan, D. X.; Manchester, L. C.; Burkhardt, S.; Sainz, R
N1-Acetyl-N2-formyl-5-methoxykynuramine
N1-Acetyl-N2-formyl-5-methoxykynuramine
Chemical compound
Octopine is a derivative of the amino acids arginine and alanine. It was the first member of the class of chemical compounds known as opines to be discovered
Octopine
Provincial route in South Africa
kilometres to meet the N2 at a T-junction. The R43 joins the N2 westwards for 9 kilometers to Botrivier, where it splits from the N2 and continues southwards
R43_(South_Africa)
President of Argentina since 2023
Institute of Economics and Finance: 63–87. doi:10.55444/2451.7321.2004.v42.n2.3807. ISSN 0034-8066. S2CID 154116264. — (2014). "De los picapiedras a los
Javier_Milei
Second planet from the Sun
atmosphere of Venus and the possible role of density-driven separation of CO2 and N2". Nature Geoscience. 10 (7). Springer Science and Business Media LLC: 473–477
Venus
National highway in Luzon, Philippines
Spur Road) / N1 in Tabang, Guiguinto. Transition from N1 to N2. Southern terminus of N2. N115 in Calumpit N3 in San Fernando N216 in Angeles N217 in
MacArthur_Highway
+ N2-methylguanine10 in tRNA tRNA (guanine10-N2)-methyltransferase from yeast does not catalyse the methylation from N2-methylguanine10 to N2-dimethylguanine10
TRNA (guanine10-N2)-methyltransferase
TRNA_(guanine10-N2)-methyltransferase
English musician and actor (born 1940)
2013. "No. 62150". The London Gazette (Supplement). 30 December 2017. p. N2. Savage, Mark (20 March 2018). "Ringo Starr receives knighthood: 'I'll wear
Ringo_Starr
Town in County Monaghan, Ireland
population of the town as of the 2022 census was 7,894. The town is on the N2 road from Dublin to Derry and Letterkenny. The Irish name Muineachán derives
Monaghan
Provincial route in South Africa
South Africa that connects the N2 north-east of Gqeberha with East London via Port Alfred. It provides an alternative to the N2 for travel between Gqeberha
R72_(South_Africa)
same intersection. Also nearby is the Malibu Hindu Temple. County Route N2 (CR N2) is a county highway in Los Angeles County, California, United States
California county routes in zone N
California_county_routes_in_zone_N
Chemical compound
CC[n+]1c(ccc2c1cccc2)C=CC=C3C=Cc4ccccc4N3CC.[I-] Properties Chemical formula C25H25ClN2 Molar mass 388.94 g·mol−1 Appearance blue solid Hazards GHS labelling: Pictograms
Pinacyanol
Chemical process that converts nitrogen to ammonia
processes that convert (fix) the otherwise inert atmospheric dinitrogen (N2) into usable nitrogen compounds such as ammonia (NH3) without involving biotic
Abiological nitrogen fixation using homogeneous catalysts
Abiological_nitrogen_fixation_using_homogeneous_catalysts
Poisonous oxygen-carbon compound
very similar to those of N2 (77 K and 63 K, respectively). The bond-dissociation energy of 1072 kJ/mol is stronger than that of N2 (942 kJ/mol) and represents
Carbon_monoxide
Optical phenomenon
photon, with emission lines in ultraviolet, visible, and infrared band: N2* → N2 + hν The blue light observed is produced primarily by this process. The
Ionized-air_glow
Chemical compound
In chemistry, pernitrides are compounds containing the pernitride group, N2−−N2−. Pernitride is isoelectronic to peroxide (O−−O−), from which the name is
Pernitride
Episode list for an animated series
20[n1] October 14, 2024 (2024-10-14) July 17, 2025 (2025-07-17) Fox Hulu N/A N/A 24 17[n2] October 6, 2025 (2025-10-06) May 17, 2026 (2026-05-17) TBA TBA
List_of_Family_Guy_episodes
Trunk road in France
The Route nationale 2 (N 2) is a route nationale in northern France. Paris-Soissons-Laon-La Capelle-Belgium (N 6) The N 2 was initially defined in 1811
Route_nationale_2
Fifth planet from the Sun
have made the case for an initial formation outside the molecular nitrogen (N2) snow line, which is estimated at 20–30 AU (3.0–4.5 billion km; 1.9–2.8 billion mi)
Jupiter
Highway in Senegal
The N2 road is one of the national roads of Senegal. It connects the west and the east of the country in a large arc following the northern frontier from
N2_road_(Senegal)
CoA + N2'-acetylgentamicin C1a Thus, the two substrates of this enzyme are acetyl-CoA and gentamicin C1a, whereas its two products are CoA and N2'-acetyl
Gentamicin 2'-N-acetyltransferase
Gentamicin_2'-N-acetyltransferase
Federal region of Belgium including the capital
range of national roads, the main ones being clockwise: the N1 (N to Breda), N2 (E to Maastricht), N3 (E to Aachen), N4 (SE to Luxembourg), N5 (S to Reims)
Brussels
English comedian and actor (born 1957)
2025. "No. 64607". The London Gazette (Supplement). 31 December 2024. p. N2. KU Leuven awards honorary doctorate to author, actor, and broadcaster Sir
Stephen_Fry
English actor (born 1972)
Sierraloaded "No. 64940". The London Gazette (Supplement). 29 December 2025. p. N2. Faulkner, Doug; Sandeman, George (29 December 2025). "New Year Honours 2026:
Idris_Elba
Standardized proficiency test
can be used for many official purposes in Japan. For example, JLPT N1 or N2 certification can help foreign nationals receive preferential immigration
Japanese-Language Proficiency Test
Japanese-Language_Proficiency_Test
Fast Fourier Transform algorithm
N 1 N 2 {\displaystyle N=N_{1}N_{2}} in terms of N1 smaller DFTs of sizes N2, recursively, to reduce the computation time to O(N log N) for highly composite
Cooley–Tukey_FFT_algorithm
Road junction
junction between the N2 and M41 freeways and underwent a major upgrade to relieve the increasing traffic congestion in the area. The N2 is a national route
Mount_Edgecombe_Interchange
Value of a communication network in terms of its connections
proportional to the square of the number of connected users of the system (n2). The law is named after Robert Metcalfe and was first proposed in 1980, albeit
Metcalfe's_law
Chemicals containing only nitrogen
mainly as a diatomic molecule, N2, but other allotropes exist or have been explored theoretically. Beyond dinitrogen (N2), chemists have long sought to
Allotropes_of_nitrogen
Physiologist, aquanaut and researcher (1940–2017)
He is known for developing the widely used NOAA Nitrox I (32% O2/N2) and II (36% O2/N2) mixtures and their decompression tables in the late 1970s, the
John_Morgan_Wells
Reduction of nitrate as a form of anaerobic respiration
where nitrate (NO−3) is reduced and ultimately produces molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products. Facultative
Denitrification
Irregular moon of Neptune
Sao /ˈseɪ.oʊ/ is a prograde irregular satellite of Neptune. It was discovered by Matthew J. Holman et al. on August 14, 2002. Sao orbits Neptune at a distance
Sao_(moon)
TRNA (guanine6-N2)-methyltransferase (EC 2.1.1.256, methyltransferase Trm14, m2G6 methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:tRNA
TRNA (guanine6-N2)-methyltransferase
TRNA_(guanine6-N2)-methyltransferase
Proposed rapid transit line in Thailand
project is 48 billion baht. The line has been integrated for 7.2 km with the N2 expressway project and a feasibility study has been completed. The MRT Brown
Brown_Line_(Bangkok)
Anion and chemical group (–N3)
disposal. In the process, nitrogen gas (N2) and nitrogen oxides (N2O and NO) are formed: 3 N−3 + NO−2 + 2 H2O → 5 N2 + 4 OH− 2 N−3 + 4 NO−2 + 3 H2O → 5 N2O
Azide
from the original (PDF) on December 18, 2010. Retrieved August 30, 2025. "n2 Bus Schedule Effective January 2012" (PDF). nicebus.com. Nassau Inter-County
List of bus routes in Nassau County, New York
List_of_bus_routes_in_Nassau_County,_New_York
Layer of gases surrounding an astronomical body held by gravity
5% CO2 3.5% N2 Earth 101 288 1.00 8.5 78.1% N2 21.0% O2 Moon Negligible 253 0.17 – He, Ne, H2, Ar Mars 1 214 0.38 11.0 95.1% CO2 2.6% N2 Ceres Negligible
Atmosphere
Enzyme
enzyme that catalyzes the chemical reaction N2-succinyl-L-arginine + 2 H2O ⇌ {\displaystyle \rightleftharpoons } N2-succinyl-L-ornithine + 2 NH3 + CO2 Thus
N-succinylarginine dihydrolase
N-succinylarginine_dihydrolase
In commutative algebra, an N-1 ring is an integral domain A {\displaystyle A} whose integral closure in its quotient field is a finitely generated A {\displaystyle
Nagata_ring
1992 hockey playoffs
Pittsburgh 4 P3 Pittsburgh 4 N2 Chicago 0 N1 Detroit 4 N4 Minnesota 3 N1 Detroit 0 N2 Chicago 4 N2 Chicago 4 N3 St. Louis 2 N2 Chicago 4 Clarence Campbell
1992_Stanley_Cup_playoffs
Uprising against British Company rule
Spilsbury, Julian (2007). The Indian Mutiny. Weidenfeld & Nicolson. pp. n2, n166. ISBN 978-0-297-84651-2. S&T magazine issue 121 (September 1988), p
Indian_Rebellion_of_1857
Chemical compound
DTXSID5046140 ECHA InfoCard 100.020.908 Chemical and physical data Formula C15H13ClN2 Molar mass 256.73 g·mol−1 3D model (JSmol) Interactive image SMILES
Chlormidazole
Sorting algorithm
Efficient for (quite) small data sets, much like other quadratic (i.e., O(n2)) sorting algorithms May be more efficient in practice than most other simple
Insertion_sort
Association football tournament in South Africa
the N2 Gateway housing project in Cape Town, which planned to remove over 20,000 residents from the Joe Slovo Informal Settlement along the busy N2 Freeway
2010_FIFA_World_Cup
Chemical compound
4 Hg(CNO)2 → 2 CO2 + N2 + HgO + 3 Hg(OCN)CN Hg(CNO)2 → 2 CO + N2 + Hg Hg(CNO)2 → Hg(O−C≡N)2 or Hg(N=C=O)2 2 Hg(CNO)2 → 2 CO2 + N2 + Hg + Hg(CN)2 Fulminic
Mercury(II)_fulminate
N2
N2
N2
N2
Boy/Male
Tamil
One who wears a necklace of skulls
Surname or Lastname
Norwegian
Norwegian : habitational name from any of several farmsteads, so named from Old Norse hlað ‘pile or stack’ (for example, of wood or stones) or ‘pavement’.North German : short form of Ladwig, a variant of Ludwig.English : topographic name for someone living by a road, path, or watercourse, Middle English lade, lode (Old English (ge)lÄd).
Surname or Lastname
English
English : occupational name for a ferryman (see Ferry).
Boy/Male
Tamil
Nocturnal visitor, Morning star
Boy/Male
Hindu
Lord of mountain
Male
English
Old English Arthurian legend name of a Knight of the Round Table who was the illegitimate son and traitor of King Arthur, possibly MORDRED means "sea counsel." He was brother (or half-brother) to Agravain, Gaheris, Gareth, and Gawain, and noted for having crowned himself and married Guinevere while Arthur was waging war on Emperor Lucius of Rome. He was killed by Arthur at the Battle of Camlann.Â
Boy/Male
Hindu, Indian
Sorrowful
Girl/Female
Hindu
Vidya - knowledge, Lakshmi - Goddess Lakshmi
Girl/Female
English Latin American Spanish Hebrew
Boy/Male
Indian
Powerful; Name in Some Prayer
N2
N2
N2
N2
N2
n.
A substance (C6H5.N2.C6H5) derived from nitrobenzene, forming orange red crystals which are easily fusible.
n.
Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient.