Eegenskapen
|
|
Algemian
|
Noom, Symbool, Numer
|
Samaarium, Sm, 62
|
Seerie
|
Lantanoid
|
Skool, Periode, Blook
|
La
,
6
, f
|
Kloor, Skak
|
salwern witj
|
CAS-Numer
|
7440-19-9
|
Uundial
|
6 ppm
[1]
|
Atomaar
[2]
|
Atoommase
|
150,36(2)
[3]
u
|
Atoomraadius (bereegent)
|
185 (238)
pm
|
Kovalent-Raadius
|
198 pm
|
Elektroonen
|
[
Xe
] 4
f
6
6
s
2
|
1. Ionisiarang
|
544,5
kJ
/
mol
|
2. Ionisiarang
|
1070 kJ/mol
|
3. Ionisiarang
|
2260 kJ/mol
|
Fusikaalisk
[2]
|
Tustant
|
faast
|
Kristal
|
trigonaal
|
Sachthaid
|
7,536 g/cm
3
(25
°C
)
[4]
|
Magnetismus
|
paramagneetisk
(
Χ
m
= 1,2 · 10
?3
)
[5]
|
Smoltponkt
|
1345
K
(1072 °C)
|
Koogponkt
|
2173 K
[6]
K
(1900 °C)
|
Molaar Rum
|
19,98 · 10
?6
m
3
/mol
|
Dampwaremk
|
192 kJ/mol
[6]
kJ/mol
|
Smoltwaremk
|
8,6 kJ/mol
|
Faard faan a tuun
|
2130 m/s bi 293,15 K
|
Elektrisk struumfeerang
|
1,06 · 10
6
A/(V · m)
|
Waremkfeerang
|
13
W
/(m · K)
|
Cheemisk
[2]
|
Oksidatsionstustant
|
2,
3
|
Sur
of
baasisk
|
lacht
baasisk
|
Elektronegatiwiteet
|
1,17 (Pauling-Skala)
|
Isotoopen
|
Isotoop
|
NH
|
t
1/2
|
Aktiwiteet
|
Energii
(M
eV
)
|
Produkt
| 144
Sm
|
3,07 %
|
stabiil
|
145
Sm
|
{syn.}
| 340
d
| ε
| 0,617
| 145
Pm
|
146
Sm
|
{syn.}
| 68 ± 9 · 10
6
a
[7]
| α
| 2,529
| 142
Nd
|
147
Sm
|
14,99 %
| 1,06 · 10
11
a
| α
| 2,310
| 143
Nd
|
148
Sm
|
11,24 %
| 7 · 10
15
a
| α
| 1,986
| 144
Nd
|
149
Sm
|
13,82 %
| 2 · 10
15
a
| α
| | 145
Nd
|
150
Sm
|
7,38 %
|
stabiil
|
151
Sm
|
{syn.}
| 90
a
| β
?
| 0,077
| 151
Eu
|
152
Sm
|
26,75
%
|
stabiil
|
153
Sm
|
{syn.}
| 46,27
h
| β
?
| 0,808
| 153
Eu
|
154
Sm
|
22,75 %
|
stabiil
|
|
Muar isotoopen bi
List faan isotoopen
|
NMR
-Eegenskapen
|
|
Seekerhaid
|
|
Miast wurd
SI
-ianhaiden brukt.
|
Samaarium
as en
cheemisk element
ma det ufkortang
Sm
an det
atoomnumer
62
. Hat hiart tu a
lantanoiden
.
-
SIMS
-spektrum faan a
isotoopen
-
Elektroonenskel
-
Rian samaarium
-
Samaarium strimler
- ↑
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 (Samarium)
.
- ↑
CIAAW, Standard Atomic Weights Revised 2013
.
- ↑
N. N. Greenwood, A. Earnshaw:
Chemie der Elemente.
1. aplaag. VCH, Weinheim 1988,
ISBN 3-527-26169-9
, S. 1579.
- ↑
Robert C. Weast (Hrsg.):
CRC Handbook of Chemistry and Physics
. CRC (Chemical Rubber Publishing Company), Boca Raton 1990,
ISBN 0-8493-0470-9
, S. E-129 bit E-145. Waarser diar uun g/mol an uun
cgs
-ianhaiden. Heer amreegent tu
SI
-waars.
- ↑
6,0
6,1
Yiming Zhang, Julian R. G. Evans, Shoufeng Yang:
Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks.
Uun:
Journal of Chemical & Engineering Data
.
56, 2011, S. 328?337,
doi:10.1021/je1011086
.
- ↑
Norikazu Kinoshita u. a.:
A Shorter
146
Sm Half-Life Measured and Implications for
146
Sm-
142
Nd Chronology in the Solar System.
Uun:
Science.
Vol 335, Issue 6076, 30. Marts 2012, S. 1614?1617. (PDF; 4,3 MB)
- ↑
8,0
8,1
Dootenbleed
Samarium Pulver
bi Merck, ufrepen di 26. April 2017.