Tungstén, 74 W Pabaosan (TUNG -stən ) Aran tiosan wolfram, kawacén: (WUUL -frəm ) Cingakan petak klau nyalang Bobot atom standar A r, std (W) 7002183840000000000♠ 183.84(1)[ 1]
Wilangan atom (Z ) 74 Watek golongan 6 Période période 6 Blok blok-d Konpigurasi éléktron [Xé ] 4f14 5d4 6s2 [ 2] Éléktron per kulit 2, 8, 18, 32, 12, 2 Pase ring STP padet Titik lebur 3695 K (3422 °C, 6192 °F) Titik didih 6203 K (5930 °C, 10706 °F) Kapadetan (nampek s.r. ) 19.25 g/cm3 ri kala éncéh (ring t.l. ) 17.6 g/cm3 Panes fusi 52.31 kJ/mol [ 3] [ 4] Panes panguapan 774 kJ/mol Kapasitas panes molar 24.27 J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
3477
3773
4137
4579
5127
5823
Paindikan oksidasi −4, −2, −1, 0, +1, +2, +3, +4 , +5, +6 (oksida asam tenga) Kaéléktronégatipan skala Pauling: 2.36 Wasa ionisasi ka-1: 770 kJ/mol ka-2: 1700 kJ/mol Jeriji atom émpiris: 139 pm Jeriji kovalén 162±7 pm Garis spéktral saking tungsténRupa alami primordial Struktur kristal kubus mapusat badan (bcc) Kagelisan swara pales tipis 4620 m/s (ring r.t. ) (annealed) Ékspansi térmal 4.5 µm/(m⋅K) (ring 25 °C) Konduktivitas térmal 173 W/(m⋅K) Resistivitas listrik 52.8 nΩ⋅m (ring 20 °C) bacakan magnétik paramagnétik [ 5] Karentanan magnétik molar 6995590000000000000♠ +59.0× 10−6 cm3 /mol (298 K)[ 6] Modulus Young 411 GPa Modulus Shear 161 GPa Modulus Bulk 310 GPa Rasio Poisson 0.28 Kakatosan Mohs 7.5 Kakatosan Vickers 3430–4600 MPa Kakatosan Brinell 2000–4000 MPa Nomor CAS 7440-33-7 Panemuan miwah isolasi kapertamaJuan José Elhuyar and Fausto Elhuyar [ 7] (1783)Kaaranin olih Torbern Bergman (1781)
Kategori:Tungstén | pustaka
W:
ring
itung saking C
bina
parihindik
pus
C
3422
—
—
K
3695
3695
0
F
6192
6192
0
présisi maks
0
WD
6.170 6.170 3.410 Celsius
[ 8]
dagingan
C: 3422, K: 3695, F: 6192
pabligbagan
W:
ring
itung saking C
bina
parihindik
pus
C
5930
—
—
K
6203
6200
3
delta
F
10706
10710
-4
delta
présisi maks
0
WD
10.701 10.701 5.930 Celsius
[ 8]
dagingan
C: 5930, K: 6203, F: 10706
pabligbagan
Pustaka
Pustaka pacang tampil ring suratan, menawi lis puniki wantah tampil ring kaca puniki.
↑ Méija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry . 88 (3): 265–91. doi :10.1515/pac-2015-0305 .
↑ Berger, Dan. "Why does Tungsten not 'Kick' up an electron from the s sublevel ?" . Bluffton College, USA.
↑ Mal:CRC90
↑ Tolias P. (2017). "Analytical expressions for thermophysical properties of solid and liquid tungsten relevant for fusion applications". Nuclear Materials and Energy . 13 : 42–57. arXiv :1703.06302 . Bibcode :2017arXiv170306302T . doi :10.1016/j.nme.2017.08.002 . S2CID 99610871 .
↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds" (PDF) . CRC Handbook of Chemistry and Physics (édisi ka-86th). Boca Raton (FL): CRC Press. ISBN 978-0-8493-0486-6 . Kaarsipin saking versi asli (PDF) tanggal 2011-03-03.
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. p. E110. ISBN 978-0-8493-0464-4 .
↑ "Tungsten" . Royal Society of Chemistry . Royal Society of Chemistry . Kaaksés 2 Méi 2020 .
↑ 8,0 8,1 http://www.cdc.gov/niosh/npg/npgd0645.html .
Mal dokumentasi[ngae ]