Kaltsium

Tekst üüb ??mrang

Eegenskapen

[Ar] 4s²

20

Ca

Periodensüsteem . . . . Klike üüb son letjen blook f?r en ??der element

Algemian

N??m, Symbool, Numer

Kaltsium, Ca, 20

Seerie

Eerdalkaalimetal

Sk??l, Periode, Blook

2, 4, s

Kl??r, 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

2,87 eV^[5]

1. Ionisiarang

589,8 kJ/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

1115 K (842 °C)

K??gponkt

1760 K^[8] K (1487 °C)

Molaar Rüm

26,20 · 10^?6 m³/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

200 W/(m · K)

Cheemisk ^[2]

Oksidatsionstustant

(+1) +2

Oksiiden

CaO

Sür of baasisk

stark baasisk

Normoolpotentiaal

?2,84 V (Ca²⁺ + 2 e^? → Ca)

Elektronegatiwiteet

1,00 (Pauling-Skala)

Isotoopen

Isotoop	NH	t_1/2	Aktiwiteet	Energii (MeV)	Produkt
⁴⁰Ca	百度在人工智能方面，东南汽车将不断完善SEMI人工智能系统，使它发展成为一个更具有自主意识的智慧型管家。 96,941 %	stabiil
⁴¹Ca	{syn.}	103.000 a	ε	0,421	⁴¹K
⁴²Ca	0,647 %	stabiil
⁴³Ca	0,135 %	stabiil
⁴⁴Ca	2,086 %	stabiil
⁴⁵Ca	{syn.}	162,61 d	β?	0,257	⁴⁵Sc
⁴⁶Ca	0,004 %	stabiil
⁴⁷Ca	{syn.}	4,536 d	β?	1,992	⁴⁷Sc
⁴⁸Ca	0,187 %	> 6 · 10¹⁸ a	β?β?	4,272	⁴⁸Ti

Muar isotoopen bi List faan isotoopen

NMR-Eegenskapen

	Spin (I)	γ uun rad·T^?1·s^?1	E_r(¹H)	f_L bi B = 4,7 T uun MHz
⁴³Ca	7/2	0?1,803 · 10⁷	6,4 · 10^?3	013,49

Seekerhaid

GHS-K??ntiaken ütj det EU-f??rskraft (EG) Nr. 1272/2008 (CLP),^[11] (of ütjwidjet)^[10]

Gefoor

H- an P-w??rnang

H: 261

EUH: 014

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

EU-Gefoorentiaken

ei bek??nd

R- an S-w??rnang

R: ?

S: ?

Miast wurd SI-ianhaiden brükt.

Kaltsium as en cheemisk element m? det ufk?rtang Ca an det atoomnumer 20.

Hat as en eerdalkaalimetal an det fiftmiast element üüb a eerd.

Bilen

SIMS-spektrum faan a isotoopen
Elektroonenskel faan kaltsium
Rian kaltsium
Uunlepen (oksidaret) kaltsium

Luke uk diar

Commonskategorii: Kaltsium – Saamlang faan bilen of filmer

Kwelen

↑ ^1,0 ^1,1 Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
↑ A taalen f?r't infobox kem miast faan www.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: Festk?rper. 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. W??rser uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-w??rs.
↑ ^8,0 ^8,1 Yiming 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 ^10,1 Iindraanj tu Calcium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 9. August 2016 (m? JavaScript)
↑ Iindrach tu Calcium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.

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

[2] A taalen f?r't infobox kem miast faan www.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: Festk?rper. 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. W??rser uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-w??rs.

[Zhang-8] 8,0 ^8,1 Yiming 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 ^10,1 Iindraanj tu Calcium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 9. August 2016 (m? JavaScript)

[CLP_100.028.344-11] Iindrach tu Calcium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.

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