Nitrogén, 7 N Nitrogén nitrogen· Cingakan gas tanpa warna, cair utawi padet Bobot atom standar A r, std (N) [7001140064300000000♠ 14.00643 , 7001140072800000000♠ 14.00728 ] konvénsional: 7001140070000000000♠ 14.007 Nitrogén ring tabél périodik
Wilangan atom (Z ) 7 Watek golongan 15 (pniktogén) Période période 2 Blok blok-p Konpigurasi éléktron [Hé ] 2s2 2p3 Éléktron per kulit 2, 5 Cecirén pisik Pase ring STP gas Titik lebur (N2 ) 63.23[1] K (−209.86[1] °C, −345.75[1] °F) Titik didih (N2 ) 77.355 K (−195.795 °C, −320.431 °F) Kapadetan (ring STP) 1.2506 g/L[2] at 0 °C, 1013 mbar ri kala éncéh (ring t.d. ) 0.808 g/cm3 Titik tripel 63.151 K, 12.52 kPa Titik kritis 126.21 K, 3.39 MPa Panes fusi (N2 ) 0.72 kJ/mol Panes panguapan (N2 ) 5.57 kJ/mol Kapasitas panes molar (N2 ) 29.124 J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
37
41
46
53
62
77
Cecirén atom Paindikan oksidasi −3 , −2, −1, 0,[3] +1, +2, +3 , +4, +5 (oksida asam kuat)Kaéléktronégatipan skala Pauling: 3.04 Wasa ionisasi ka-1: 1402.3 kJ/mol ka-2: 2856 kJ/mol ka-3: 4578.1 kJ/mol (malih ) Jeriji kovalén 71±1 pm Jeriji Van der Waals 155 pm Garis spéktral saking nitrogénCecirén liyanan Rupa alami primordial Struktur kristal héksagon Kagelisan swara 353 m/s (gas, at 27 °C) Konduktivitas térmal 25.83×10−3 W/(m⋅K) bacakan magnétik diamagnetic Nomor CAS 17778-88-0 7727-37-9 (N2 ) Lelintihan Panemuan Daniel Rutherford (1772) Kaaranin olih Jean-Antoine Chaptal (1790) Isotop utama nitrogén
Kategori:Nitrogén | pustaka
Nitrogén silih tunggil datu kimia antuk simbol N miwah wilangan atom 7. Inucap kapertama katemuin miwah kaisolasi oléh dokter Skotlandia Daniel Rutherford ring warsa 1772.
↑ 1,0 1,1 1,2 Lide, David R. (1990–1991). CRC Handbook of Physics and Chemistry (ring Inggris) (édisi ka-71st). Boca Raton, Ann Arbor, Boston: CRC Press, inc. pp. 4-22 (one page).
↑ "Gases - Density" . The Engineering Toolbox . Kaaksés 27 January 2019 .
↑ Tetrazoles contain a pair of double-bonded nitrogen atoms with oxidation state 0 in the ring. A Synthesis of the parent 1H-tetrazole, CH2 N4 (two atoms N(0)) is given in Ronald A. Henry and William G. Finnegan, "An Improved Procedure for the Deamination of 5-Aminotetrazole", _J. Am. Chem. Soc._ (1954), 76, 1, 290–291,
https://doi.org/10.1021/ja01630a086 .