Arsenik, 33 As Pabaosan Cingakan klau métalik Bobot atom standar A r, std (As) 7001749215950000000♠ 74.921595 (6)[ 1]
Wilangan atom (Z ) 33 Watek golongan 15 (pniktogén) Période période 4 Blok blok-p Konpigurasi éléktron [Ar ] 3d10 4s2 4p3 Éléktron per kulit 2, 8, 18, 5 Pase ring STP padet Titik sublimasi 887 K (615 °C, 1137 °F) Kapadetan (nampek s.r. ) 5.727 g/cm3 ri kala éncéh (ring t.l. ) 5.22 g/cm3 Titik tripel 1090 K, 3628 kPa[ 2] Titik kritis 1673 K, ? MPa Panes fusi grey: 24.44 kJ/mol Panes panguapan 34.76 kJ/mol (?) Kapasitas panes molar 24.64 J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
553
596
646
706
781
874
Paindikan oksidasi −3 , −2, −1, 0,[ 3] +1,[ 4] +2, +3 , +4, +5 (oksida asam tenga)Kaéléktronégatipan skala Pauling: 2.18 Wasa ionisasi ka-1: 947.0 kJ/mol ka-2: 1798 kJ/mol ka-3: 2735 kJ/mol (malih ) Jeriji atom émpiris: 119 pm Jeriji kovalén 119±4 pm Jeriji Van der Waals 185 pm Garis spéktral saking arsenikRupa alami primordial Struktur kristal rombohédron Ékspansi térmal 5.6 µm/(m⋅K)[ 5] (ring s.k. ) Konduktivitas térmal 50.2 W/(m⋅K) Resistivitas listrik 333 nΩ⋅m (ring 20 °C) bacakan magnétik diamagnétik [ 6] Karentanan magnétik molar 3005450000000000000♠ −5.5�� 10−6 cm3 /mol[ 7] Modulus Young 8 GPa Modulus Bulk 22 GPa Kakatosan Mohs 3.5 Kakatosan Brinell 1440 MPa Nomor CAS 7440-38-2 Panemuan Alkémis Arab (sadurung AD 815)
Kategori:Arsenik | pustaka
Cék suhu As: tan padagingang antuk C, K, F.
Cék suhu As: tan padagingang antuk C, K, F.
Pustaka
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↑ 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 .
↑ Gokcen, N. A (1989). "The As (arsenic) system". Bull. Alloy Phase Diagrams . 10 : 11–22. doi :10.1007/BF02882166 .
↑ Abraham, Mariham Y.; Wang, Yuzhong; Xie, Yaoming; Wei, Pingrong; Shaefer III, Henry F.; Schleyer, P. von R.; Robinson, Gregory H. (2010). "Carbene Stabilization of Diarsenic: From Hypervalency to Allotropy". Chemistry: A European Journal . 16 (2): 432–5. doi :10.1002/chem.200902840 . PMID 19937872 .
↑ Ellis, Bobby D.; MacDonald, Charles L. B. (2004). "Stabilized Arsenic(I) Iodide: A Ready Source of Arsenic Iodide Fragments and a Useful Reagent for the Generation of Clusters". Inorganic Chemistry . 43 (19): 5981–6. doi :10.1021/ic049281s . PMID 15360247 .
↑ Cverna, Fran (2002). ASM Ready Reference: Thermal properties of metals . ASM International. pp. 8–. ISBN 978-0-87170-768-0 . pdf .
↑ Lide, David R., ed. (2000). "Magnetic susceptibility of the elements and inorganic compounds". Handbook of Chemistry and Physics (PDF) (édisi ka-81). CRC press. ISBN 0849304814 .
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 .