Eegenskapen
Algemian
N??m, Symbool, Numer
Naatrium, Na, 11
Seerie
Alkaalimetal
Sk??l, Periode, Blook
1 , 3 , s
Kl??r, Skak
salwern witj
CAS-Numer
7440-23-5
Uundial
2,64 %[ 1]
Atomaar [ 2]
Atoommase
22,98976928(2)[ 3] [ 4] u
Atoomraadius (bereegent)
180 (190) pm
Kovalent-Raadius
154 pm
Van der Waals-Raadius
227 pm
Elektroonen
[Ne ] 3s 1
Energii
2,75 eV [ 5]
1. Ionisiarang
495,8 kJ /mol
Füsikaalisk [ 2]
Tustant
fest
Kristal
kuubisk
Sachthaid
0,968 g/cm3 (20 °C )[ 6]
Hardhaid
0,5
Magnetismus
paramagneetisk (Χm ?6 )[ 7]
Smoltponkt
370,87 K (97,72 °C)
K??gponkt
1163 K[ 8] K (890 °C)
Molaar Rüm
23,78 · 10?6 m3 /mol
Dampwaremk
97,4 kJ/mol[ 8]
Smoltwaremk
2,6[ 9]
Dampdruk
1 Pa bei 554[ 10]
Faard faan a tuun
3200 m/s bi 293,15 K
Waremk
1230 J/(kg · K)
Elektrisk struumfeerang
21 · 106 A/(V · m)
Waremkfeerang
140 W /(m · K)
Cheemisk [ 2]
Oksidatsionstustant
1
Oksiiden
Na2 O
Sür of baasisk
stark baasisk
Normoolpotentiaal
?2,713 V (Na+ + e? → Na)
Elektronegatiwiteet
0,93 (Pauling-Skala)
Isotoopen
Isotoop
NH
t1/2
Aktiwiteet
Energii (MeV )
Produkt
21 Na
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{syn.}
22,49 s ε 3,547 21 Ne
22 Na
{syn.}
2,602 a β+ , γ (90 %)1,567+1,275 22 Ne ε , γ (10 %)1,567+1,275 22 Ne 23 Na
100 %
stabiil
24 Na
{syn.}
14,959 h β? 5,516 24 Mg
25 Na
{syn.}
59,1 s β? 3,835 25 Mg
Muar isotoopen bi List faan isotoopen
NMR -Eegenskapen
Seekerhaid
Miast wurd SI -ianhaiden brükt.
Naatrium as en cheemisk element m? det tiaken Na an det atoomnumer 11. Hat as en alkaalimetal . Det wichtagst ferbinjang as saalt (Naatriumkloriid ).
Naatrium
Naatriumkloriid (Saalt)
Naatriumdamplamp
↑ 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 (Natrium) .
↑ Michael E. Wieser, Tyler B. Coplen: Atomic weights of the elements (IUPAC Technical Report). In: Pure and Applied Chemistry .
↑ IUPAC, Standard Atomic Weights Revised 2013 .↑ Ludwig Bergmann, Clemens Schaefer, Rainer Kassing: Lehrbuch der Experimentalphysik .Festk?rper. 2. Auflage. Walter de Gruyter, 2005, {{ISBN|3-11-017485-5, S. 361.
↑ N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. Auflage. VCH, Weinheim 1988, {{ISBN|3-527-26169-9, S. 97.
↑ 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.
↑ 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 .doi:10.1021/je1011086 .
↑ A. Klemm, G. Hartmann, L. Lange: Sodium and Sodium Alloys. In: Ullmann’s Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag, Weinheim 2005, doi:10.1002/14356007.a24_277 .
↑ David R. Lide (Hrsg.): CRC Handbook of Chemistry and Physics .
↑ 11,0 11,1 Iindraanj tu Natrium uun't GESTIS-dootenbeenk faan't IFA , ufrepen di 9. August 2016 (m? JavaScript) .↑ Iindrach tu Sodium Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.
Tekst üüb ??mrang
SIMS-spektrum
Naatrium
Naatriumkloriid (Saalt)
Naatriumdamplamp
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Commonskategorii: Naatrium – Saamlang faan bilen of filmer