Kaltsium

Tekst üübÖömrang

Eegenskapen

[Ar] 4s²

20

Ca

Periodensüsteem....Klike üüb son letjen blook för en ööder element

Algemian

Nööm, Symbool, Numer

Kaltsium, Ca, 20

Seerie

Eerdalkaalimetal

Skööl, Periode, Blook

2,4,s

Klöör, Skak

salwern witj

CAS-Numer

7440-70-2

Uundial

3,39 %^[1]

Atomaar^[2]

Atoommase

40,078(4)^[3]u

Atoomraadius (bereegent)

180 (194)pm

Kovalent-Raadius

176 pm

Van der Waals-Raadius

231^[4]pm

Elektroonen

[Ar] 4s²

Energii

2,87eV^[5]

1. Ionisiarang

589,8kJ/mol

2. Ionisiarang

1145,4 kJ/mol

Füsikaalisk^[2]

Tustant

fest

Kristal

kuubisk

Sachthaid

1,55 g/cm³(20°C)^[6]

Hardhaid

1,75

Magnetismus

paramagneetisk(Χ_m= 1,9 · 10⁻⁵)^[7]

Smoltponkt

1115K(842 °C)

Köögponkt

1760 K^[8]K(1487 °C)

Molaar Rüm

26,20 · 10⁻⁶m³/mol

Dampwaremk

153 kJ/mol^[8]kJ/mol

Smoltwaremk

8,54 kJ/mol

Faard faan a tuun

3810 m/s bi 293,15 K

Waremk

647,3^[1]J/(kg · K)

Elektrisk struumfeerang

29,4 · 10⁶^[9]A/(V · m)

Waremkfeerang

200W/(m · K)

Cheemisk^[2]

Oksidatsionstustant

(+1)+2

Oksiiden

CaO

Sürofbaasisk

starkbaasisk

Normoolpotentiaal

−2,84 V (Ca²⁺+ 2 e⁻→ Ca)

Elektronegatiwiteet

1,00 (Pauling-Skala)

Isotoopen

Isotoop	NH	t_1/2	Aktiwiteet	Energii(MeV)	Produkt
⁴⁰Ca	96,941%	stabiil
⁴¹Ca	{syn.}	103.000a	ε	0,421	⁴¹K
⁴²Ca	0,647 %	stabiil
⁴³Ca	0,135 %	stabiil
⁴⁴Ca	2,086 %	stabiil
⁴⁵Ca	{syn.}	162,61d	β−	0,257	⁴⁵Sc
⁴⁶Ca	0,004 %	stabiil
⁴⁷Ca	{syn.}	4,536d	β−	1,992	⁴⁷Sc
⁴⁸Ca	0,187 %	> 6 · 10¹⁸a	β−β−	4,272	⁴⁸Ti

Muar isotoopen biList faan isotoopen

NMR-Eegenskapen

	Spin (I)	γuun rad·T⁻¹·s⁻¹	E_r(¹H)	f_Lbi B = 4,7T uunMHz
⁴³Ca	7/2	0−1,803 · 10⁷	6,4 · 10⁻³	013,49

Seekerhaid

GHS-Kääntiaken ütj det EU-föörskraft (EG) Nr. 1272/2008 (CLP),^[11](of ütjwidjet)^[10]

Gefoor

H- an P-wäärnang

H:261

EUH:014

P:223-232-501-402+404^[10]

EU-Gefoorentiaken

ei bekäänd

R- an S-wäärnang

R:?

S:?

Miast wurdSI-ianhaiden brükt.

Kaltsiumas encheemisk elementmä det ufkörtangCaan detatoomnumer20.

Hat as eneerdalkaalimetalan det fiftmiast element üüb a eerd.

Bilen

SIMS-spektrum faan aisotoopen
Elektroonenskel faan kaltsium
Rian kaltsium
Uunlepen (oksidaret) kaltsium

Luke uk diar

Commonskategorii: Kaltsium– Saamlang faan bilen of filmer

Kwelen

↑^1,0^1,1Harry H. Binder:Lexikon der chemischen Elemente.S. Hirzel Verlag, Stuttgart 1999,ISBN 3-7776-0736-3.
↑A taalen för't infobox kem miast faanwww.webelements.com (Calcium).
↑CIAAW, Standard Atomic Weights Revised 2013.
↑Manjeera Mantina, Adam C. Chamberlin, Rosendo Valero, Christopher J. Cramer, Donald G. Truhlar:Consistent van der Waals Radii for the Whole Main Group.Uun:J. Phys. Chem. A.113, 2009, S. 5806–5812,doi:10.1021/jp8111556.
↑Ludwig Bergmann, Clemens Schaefer, Rainer Kassing:Lehrbuch der Experimentalphysik.Band 6:Festkörper.2. Auflage. Walter de Gruyter, Berlin/New York 2005,ISBN 3-11-017485-5,S. 361.
↑N. N. Greenwood, A. Earnshaw:Chemie der Elemente.VCH, Weinheim 1988,ISBN 3-527-26169-9,S. 136.
↑Robert C. Weast u. a. (Hrsg.):CRC Handbook of Chemistry and Physics.Chemical Rubber Publishing Company, Boca Raton 1990,ISBN 0-8493-0470-9,S. E-129 bis E-145. Wäärser uun g/mol an uuncgs-ianhaiden. Amreegent tuSI-wäärs.
↑^8,0^8,1Yiming Zhang, Julian R. G. Evans, Shoufeng Yang:Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks.In:Journal of Chemical & Engineering Data.56, 2011, S. 328–337,doi:10.1021/je1011086.
↑T. C. Chi:Electrical Resistivity of Alkaline Earth Elements.S. 470 (nist.gov[PDF]).
↑^10,0^10,1Iindraanj tuCalciumuun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 9. August 2016(mä JavaScript)
↑Iindrach tuCalciumuun'tClassification and Labelling Inventoryfaan'tEuropeesk Chemikaalienagentuur(ECHA), ufrepen di 1. August 2016.

[Harry_H._Binder-1] 1,0^1,1Harry H. Binder:Lexikon der chemischen Elemente.S. Hirzel Verlag, Stuttgart 1999,ISBN 3-7776-0736-3.

[2] A taalen för't infobox kem miast faanwww.webelements.com (Calcium).

[CIAAW-3] CIAAW, Standard Atomic Weights Revised 2013.

[4] Manjeera Mantina, Adam C. Chamberlin, Rosendo Valero, Christopher J. Cramer, Donald G. Truhlar:Consistent van der Waals Radii for the Whole Main Group.Uun:J. Phys. Chem. A.113, 2009, S. 5806–5812,doi:10.1021/jp8111556.

[5] Ludwig Bergmann, Clemens Schaefer, Rainer Kassing:Lehrbuch der Experimentalphysik.Band 6:Festkörper.2. Auflage. Walter de Gruyter, Berlin/New York 2005,ISBN 3-11-017485-5,S. 361.

[Greenwood-6] N. N. Greenwood, A. Earnshaw:Chemie der Elemente.VCH, Weinheim 1988,ISBN 3-527-26169-9,S. 136.

[7] Robert C. Weast u. a. (Hrsg.):CRC Handbook of Chemistry and Physics.Chemical Rubber Publishing Company, Boca Raton 1990,ISBN 0-8493-0470-9,S. E-129 bis E-145. Wäärser uun g/mol an uuncgs-ianhaiden. Amreegent tuSI-wäärs.

[Zhang-8] 8,0^8,1Yiming Zhang, Julian R. G. Evans, Shoufeng Yang:Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks.In:Journal of Chemical & Engineering Data.56, 2011, S. 328–337,doi:10.1021/je1011086.

[Chi-9] T. C. Chi:Electrical Resistivity of Alkaline Earth Elements.S. 470 (nist.gov[PDF]).

[GESTIS-10] 10,0^10,1Iindraanj tuCalciumuun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 9. August 2016(mä JavaScript)

[CLP_100.028.344-11] Iindrach tuCalciumuun'tClassification and Labelling Inventoryfaan'tEuropeesk Chemikaalienagentuur(ECHA), ufrepen di 1. August 2016.

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