Eegenskapen
|
|
Algemian
|
Noom, Symbool, Numer
|
Kaltsium, Ca, 20
|
Seerie
|
Eerdalkaalimetal
|
Skool, Periode, Blook
|
2
,
4
, s
|
Kloor, 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
] 4s
2
|
Energii
|
2,87
eV
[5]
|
1. Ionisiarang
|
589,8
kJ
/
mol
|
2. Ionisiarang
|
1145,4 kJ/mol
|
Fusikaalisk
[2]
|
Tustant
|
fest
|
Kristal
|
kuubisk
|
Sachthaid
|
1,55 g/cm
3
(20
°C
)
[6]
|
Hardhaid
|
1,75
|
Magnetismus
|
paramagneetisk
(
Χ
m
= 1,9 · 10
?5
)
[7]
|
Smoltponkt
|
1115
K
(842 °C)
|
Koogponkt
|
1760 K
[8]
K
(1487 °C)
|
Molaar Rum
|
26,20 · 10
?6
m
3
/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 · 10
6
[9]
A/(V · m)
|
Waremkfeerang
|
200
W
/(m · K)
|
Cheemisk
[2]
|
Oksidatsionstustant
|
(+1)
+2
|
Oksiiden
|
CaO
|
Sur
of
baasisk
|
stark
baasisk
|
Normoolpotentiaal
|
?2,84 V (Ca
2+
+ 2 e
?
→ Ca)
|
Elektronegatiwiteet
|
1,00 (Pauling-Skala)
|
Isotoopen
|
Isotoop
|
NH
|
t
1/2
|
Aktiwiteet
|
Energii
(M
eV
)
|
Produkt
| 40
Ca
|
96,941
%
|
stabiil
|
41
Ca
|
{syn.}
| 103.000
a
| ε
| 0,421
| 41
K
|
42
Ca
|
0,647 %
|
stabiil
|
43
Ca
|
0,135 %
|
stabiil
|
44
Ca
|
2,086 %
|
stabiil
|
45
Ca
|
{syn.}
| 162,61
d
| β?
| 0,257
| 45
Sc
|
46
Ca
|
0,004 %
|
stabiil
|
47
Ca
|
{syn.}
| 4,536
d
| β?
| 1,992
| 47
Sc
|
48
Ca
|
0,187 %
| > 6 · 10
18
a
| β?β?
| 4,272
| 48
Ti
|
|
Muar isotoopen bi
List faan isotoopen
|
NMR
-Eegenskapen
|
|
Seekerhaid
|
|
Miast wurd
SI
-ianhaiden brukt.
|
Kaltsium
as en
cheemisk element
ma det ufkortang
Ca
an det
atoomnumer
20
.
Hat as en
eerdalkaalimetal
an det fiftmiast element uub 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 for'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:
Festkorper.
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. Waarser uun g/mol an uun
cgs
-ianhaiden. Amreegent tu
SI
-waars.
- ↑
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
(ma JavaScript)
- ↑
Iindrach tu
Calcium
uun't
Classification and Labelling Inventory
faan't
Europeesk Chemikaalienagentuur
(ECHA), ufrepen di 1. August 2016.