Mal:Kotak inpo kalsium

Kalsium, 20Ca
Kalsium
kalsiyum·
Cingakanklau buwuk, pérak; antuk warna kuning lémlém[1]
Bobot atom standar Ar, std(Ca)40.078(4)[2]
Kalsium ring tabél périodik
Hidrogén Hélium
Litium Bérilium Boron Karbon Nitrogén Oksigén Fluorin Néon
Natrium Magnésium Aluminium Silikon Phosfor Urirang Klorin Argon
Potasium Kalsium Skandium Titanium Vanadium Kromium Mangan (datu) Wesi Kobalt Nikel Temaga Séng Gallium Gérmanium Arsenik Sélénium Brom Kripton
Rubidium Strontium Ittrium Zirkonium Niobium Molibdénum Téknésium Ruthénium Rhodium Palladium Pérak Kadmium Indium Timah Antimoni Téllurium Yodium Xénon
Sésium Barium Lanthanum Sérium Praséodimium Néodimium Prométhium Samarium Éuropium Gadolinium Terbium Disprosium Holmium Érbium Thulium Itterbium Lutésium Hafnium Tantalum Tungstén Rhénium Osmium Iridium Platinum Mas Rasa (datu) Thallium Timbal Bismuth Polonium Astatin Radon
Fransium Radium Aktinium Thorium Protaktinium Uranium Néptunium Plutonium Amérisium Curium Berkélium Kalifornium Éinsteinium Fermium Méndelevium Nobélium Lawrénsium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnérium Darmstadtium Roéntgénium Kopernikium Nihonium Flérovium Moskovium Livermorium Ténnessin Oganésson
Mg

Ca

Sr
potasiumkalsiumskandium
Wilangan atom (Z)20
Watekgolongan 2 (logam alkali tanah)
Périodepériode 4
Blok  blok-s
Konpigurasi éléktron[Ar] 4s2
Éléktron per kulit2, 8, 8, 2
Cecirén pisik
Pase ring STPpadet
Titik lebur1115 K ​(842 °C, ​1548 °F)
Titik didih1757 K ​(1484 °C, ​2703 °F)
Kapadetan (nampek s.r.)1.55 g/cm3
ri kala éncéh (ring t.l.)1.378 g/cm3
Panes fusi8.54 kJ/mol
Panes panguapan154.7 kJ/mol
Kapasitas panes molar25.929 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 864 956 1071 1227 1443 1755
Cecirén atom
Paindikan oksidasi+1,[3] +2 (oksida basa kuat)
Kaéléktronégatipanskala Pauling: 1.00
Wasa ionisasi
  • ka-1: 589.8 kJ/mol
  • ka-2: 1145.4 kJ/mol
  • ka-3: 4912.4 kJ/mol
  • (malih)
Jeriji atomémpiris: 197 pm
Jeriji kovalén176±10 pm
Jeriji Van der Waals231 pm
Garis warna ring pentang spéktrum
Garis spéktral saking kalsium
Cecirén liyanan
Rupa alamiprimordial
Struktur kristalkubus mapusat muka (fcc)
Face-centered cubic crystal structure for kalsium
Kagelisan swara pales tipis3810 m/s (ring 20 °C)
Ékspansi térmal22.3 µm/(m⋅K) (ring 25 °C)
Konduktivitas térmal201 W/(m⋅K)
Resistivitas listrik33.6 nΩ⋅m (ring 20 °C)
bacakan magnétikdiamagnétik
Karentanan magnétik molar+40.0×10−6 cm3/mol[4]
Modulus Young20 GPa
Modulus Shear7.4 GPa
Modulus Bulk17 GPa
Rasio Poisson0.31
Kakatosan Mohs1.75
Kakatosan Brinell170–416 MPa
Nomor CAS7440-70-2
Lelintihan
Panemuan miwah isolasi kapertamaHumphry Davy (1808)
Isotop utama kalsium
Iso­top Kalimpahan Paruh-idup (t1/2) Mode paluruhan Pro­duk
40Ca 96.941% tegteg
41Ca jejak 9.94×104 y ε 41K
42Ca 0.647% tegteg
43Ca 0.135% tegteg
44Ca 2.086% tegteg
45Ca syn 162.6 d β 45Sc
46Ca 0.004% tegteg
47Ca syn 4.5 d β 47Sc
γ
48Ca 0.187% 6.4×1019 y ββ 48Ti
Kategori:Kalsium
| pustaka
K ←

i'box K

iso
20
Ca (U)
→ Sc

i'box Sc

  Pupulan data kabaca olih {{Infobox element}}
Aran miwah pangenal
Gambar duur (sesirah, alt)
Cara pabaosan
Kategori (banwiki) depr
Bobot atom standar
  isotop pinih tegteg
Rupa alami
Pase ring STP
Paindikan oksidasi
Gambar garis spéktrum
Konpigurasi éléktron (cmt, ref)
Simbol paistilah * (cmt, ref)
Wikidata *
* Nénten kaanggén malih {{Infobox element}} (2019-02-03)
Cingak taler {{Infobox element/symbol-to--navbox}}

Pustaka

  1. Mal:Greenwood&Earnshaw
  2. 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.
  3. Krieck, Sven; Görls, Helmar; Westerhausen, Matthias (2010). "Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes". Journal of the American Chemical Society. 132 (35): 12492–12501. doi:10.1021/ja105534w. PMID 20718434.
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

Two of these are named references. They may be cited in the containing article as

  • <ref name="CIAAW2013" /> for the source Atomic weights of the elements 2013 (from subtemplates used by {{Infobox element}})
  • <ref name="West" /> for the source edited by Kneck et al.