| Eegenskapen
|
|
|
| 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
|
2,87 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 (Χm = 1,9 · 10−5)[7]
|
| Smoltponkt
|
1115 K (842 °C)
|
| Köögponkt
|
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
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| | 40Ca |
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
|
|
|
| Seekerhaid
|
|
|
| Miast wurd SI-ianhaiden brükt.
|
Kaltsium as en cheemisk element mä det ufkörtang Ca an det atoomnumer 20.
Hat as en eerdalkaalimetal an det fiftmiast element üüb a eerd.
- ↑ 1,0 1,1 Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för'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: 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 uun cgs-ianhaiden. Amreegent tu SI-wäärs.
- ↑ 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 (mä JavaScript)
- ↑ Iindrach tu Calcium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.
Tekst üüb Öömrang
Elektroonenskel faan kaltsium
Rian kaltsium
Uunlepen (oksidaret) kaltsium
Commonskategorii: Kaltsium – Saamlang faan bilen of filmer