Naatrium (Na)

chemical element with symbol Na and atomic number 11

Atomic Number	11
Atomic Weight	22.98976928
massiarv	23

Group	1
Period	3
Block	s

prooton	11 p⁺
neutron	12 n⁰
elektron	11 e^-

Animated Bohri aatomiteooria of Na (Naatrium)

Füüsikalised Omadused

Aatomiraadius	180 pm 225 pm
molaarruumala	23,7 cm³/mol
Covalent Radius	155 pm 160 pm 177 pm 166 pm
Metallic Radius	157 pm 190 pm
ionic radius	99 pm 100 pm 102 pm 112 pm 118 pm 124 pm 139 pm
Crystal Radius	113 pm 114 pm 116 pm 126 pm 132 pm 138 pm 153 pm
Van der Waals radius	240 pm 227 pm 227 pm 270 pm 298,3 pm
density	0,97 g/cm³ 927 kg/m³

Keemilised Omadused

{ERROR}

energia

proton affinity
Elektronafiinsus	0,547926 eV/particle
ionization energy	5,1390767 eV/particle 47,28636 eV/particle 71,62 eV/particle 98,936 eV/particle 138,4 eV/particle 172,228 eV/particle 208,5 eV/particle 264,192 eV/particle 299,86 eV/particle 1 465,13444 eV/particle 1 648,702 eV/particle

aurustumissoojus	97,9 kJ/mol
sulamissoojus	2,64 kJ/mol
standard enthalpy of formation	107,5 kJ/mol
elektron

elektronkiht	2, 8, 1

valentselektron	1 ⓘ

elektronkonfiguratsioon	[Ne] 3s¹ⓘ 1s² 2s² 2p⁶ 3s¹

oksüdatsiooniaste	-1, 0, 1
elektronegatiivsus	5,14 eV/particle 0.093214 0.93
Electrophilicity Index	0,8805526605183994 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	1 156,09 K
Melting Point	370,944 K
critical pressure	35 MPa
critical temperature	2 573,15 K
kolmikpunkt
Välimus
värvus	Black #0000ff #ab5cf2 #ab5cf2
Välimus	silvery white metallic
Murdumisnäitaja
thermodynamic material property
Thermal Conductivity	142 W/(m K)
soojuspaisumine	0,00007 1/K
molar heat capacity	28,23 J/(mol K)
Specific Heat Capacity	1,228 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Elektrijuhtivus	21 MS/m
Eritakistus	0,00000004699999999998 Ω*m
Ülijuhtivus
Magnetism
type	paramagnetic
Magnetiline vastuvõtlikkus (Mass)	0,0000000088 m³/Kg
Magnetiline vastuvõtlikkus (Molar)	0,0000000002 m³/mol
Magnetiline vastuvõtlikkus (Volume)	0,0000086
magnetic ordering
Curie punkt
Néel temperature
struktuur
Crystal Structure	{ERROR}
lattice constant	4,23 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
kõvadus	0,69 MPa 0,5 MPa
Ruumpaisumismoodul	6,3 GPa
Nihkeelastsusmoodul	3,3 GPa
Normaalelastsusmoodul	10 GPa
Poissoni tegur
heli kiirus	3 200 m/s
Klassifitseerimine
Category	Actinides, Alkali metals
CAS Group	IA
IUPAC Group	IA
Glawe Number	11
Mendeleev Number	2
Pettifor Number	11
Geochemical Class	major
Goldschmidt classification	litophile

teine

Gas Basicity
polarizability	162,7 ± 0,5 a₀
C6 Dispersion Coefficient	1 518 a₀ 1 570 a₀
allotrope
Neutron cross section	0,53
Neutron Mass Absorption	0,0007
Kvantarv	2S1/2
space group	229 (Im_3m)

Isotopes of Sodium

Stable Isotopes	1
Unstable Isotopes	22
Natural Isotopes	1

¹⁷Na

massiarv	17
neutron number	6
Relative Atomic Mass	17,037273 ± 0,000064 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn	1/2
nuclear quadrupole moment	0
avastamise aeg	2017
parity	+

decay mode	Intensiivsus
p (proton emission)	100%

¹⁸Na

massiarv	18
neutron number	7
Relative Atomic Mass	18,026879388 ± 0,000100785 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	1,3 ± 0,4 zs
spinn	1
nuclear quadrupole moment
avastamise aeg	2004
parity	-

decay mode	Intensiivsus
p (proton emission)

¹⁹Na

massiarv	19
neutron number	8
Relative Atomic Mass	19,013880264 ± 0,000011309 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn	5/2
nuclear quadrupole moment
avastamise aeg	1969
parity	+

decay mode	Intensiivsus
p (proton emission)	100%

²⁰Na

massiarv	20
neutron number	9
Relative Atomic Mass	20,007354301 ± 0,00000119 Da
g-factor	0,1847 ± 0,0001
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	447,9 ± 2,3 ms
spinn	2
nuclear quadrupole moment	0,101 ± 0,008
avastamise aeg	1950
parity	+

decay mode	Intensiivsus
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	25%

²¹Na

massiarv	21
neutron number	10
Relative Atomic Mass	20,997654459 ± 0,000000045 Da
g-factor	1,5907333333333 ± 0,000026666666666667
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	22,455 ± 0,0054 s
spinn	3/2
nuclear quadrupole moment	0,138 ± 0,011
avastamise aeg	1940
parity	+

decay mode	Intensiivsus
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²²Na

massiarv	22
neutron number	11
Relative Atomic Mass	21,994437547 ± 0,000000141 Da
g-factor	0,582 ± 0,001
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	2,6019 ± 0,0006 y
spinn	3
nuclear quadrupole moment	0,18 ± 0,011
avastamise aeg	1935
parity	+

decay mode	Intensiivsus
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
e⁺ (positron emission)	90.57%
ϵ (electron capture)	9.43%

²³Na

massiarv	23
neutron number	12
Relative Atomic Mass	22,98976928195 ± 0,00000000194 Da
g-factor	1,4783333333333 ± 0,00002
natural abundance	100
radioaktiivsus	Stabiilne isotoop
Poolestusaeg	Not Radioactive ☢️
spinn	3/2
nuclear quadrupole moment	0,104 ± 0,001
avastamise aeg	1921
parity	+

²⁴Na

massiarv	24
neutron number	13
Relative Atomic Mass	23,990963012 ± 0,000000017 Da
g-factor	0,422575 ± 0,0002
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	14,956 ± 0,0015 h
spinn	4
nuclear quadrupole moment
avastamise aeg	1934
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%

²⁵Na

massiarv	25
neutron number	14
Relative Atomic Mass	24,989953974 ± 0,000001288 Da
g-factor	1,4732 ± 0,0016
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	59,1 ± 0,6 s
spinn	5/2
nuclear quadrupole moment	0,0015 ± 0,0003
avastamise aeg	1943
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%

²⁶Na

massiarv	26
neutron number	15
Relative Atomic Mass	25,992634649 ± 0,000003759 Da
g-factor	0,95033333333333 ± 0,00066666666666667
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	1 071,28 ± 0,25 ms
spinn	3
nuclear quadrupole moment	−0,0053 ± 0,0002
avastamise aeg	1958
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%

²⁷Na

massiarv	27
neutron number	16
Relative Atomic Mass	26,994076408 ± 0,000004 Da
g-factor	1,558 ± 0,002
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	301 ± 6 ms
spinn	5/2
nuclear quadrupole moment	−0,0071 ± 0,0003
avastamise aeg	1968
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.098%

²⁸Na

massiarv	28
neutron number	17
Relative Atomic Mass	27,998939 ± 0,000011 Da
g-factor	2,426 ± 0,003
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	33,1 ± 1,3 ms
spinn	1
nuclear quadrupole moment	0,389 ± 0,011
avastamise aeg	1969
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.58%

²⁹Na

massiarv	29
neutron number	18
Relative Atomic Mass	29,002877091 ± 0,000007876 Da
g-factor	1,6326666666667 ± 0,0053333333333333
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	43,2 ± 0,4 ms
spinn	3/2
nuclear quadrupole moment	0,085 ± 0,003
avastamise aeg	1969
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	22%
2n (2-neutron emission)

³⁰Na

massiarv	30
neutron number	19
Relative Atomic Mass	30,009097931 ± 0,000005074 Da
g-factor	1,0415 ± 0,005
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	45,9 ± 0,7 ms
spinn	2
nuclear quadrupole moment
avastamise aeg	1969
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	28.6%
2n (2-neutron emission)	1.24%
β⁻α (β⁻-delayed α emission)	5.5%

³¹Na

massiarv	31
neutron number	20
Relative Atomic Mass	31,013146654 ± 0,000015 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	16,8 ± 0,3 ms
spinn	3/2
nuclear quadrupole moment
avastamise aeg	1969
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	36%
2n (2-neutron emission)	0.73%
3n (3-neutron emission)	0.05%

³²Na

massiarv	32
neutron number	21
Relative Atomic Mass	32,020011024 ± 0,00004 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	12,9 ± 0,3 ms
spinn	3
nuclear quadrupole moment
avastamise aeg	1972
parity	-

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	26%
2n (2-neutron emission)	7.6%

³³Na

massiarv	33
neutron number	22
Relative Atomic Mass	33,025529 ± 0,000483 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	8,2 ± 0,4 ms
spinn	3/2
nuclear quadrupole moment
avastamise aeg	1972
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	47%
2n (2-neutron emission)	13%

³⁴Na

massiarv	34
neutron number	23
Relative Atomic Mass	34,03401 ± 0,0006435 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	5,5 ± 1 ms
spinn	1
nuclear quadrupole moment
avastamise aeg	1983
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
2n (2-neutron emission)	50%
β⁻ n (β⁻-delayed neutron emission)	15%

³⁵Na

massiarv	35
neutron number	24
Relative Atomic Mass	35,040614 ± 0,00072 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg	1,5 ± 0,5 ms
spinn	3/2
nuclear quadrupole moment
avastamise aeg	1983
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁶Na

massiarv	36
neutron number	25
Relative Atomic Mass	36,049279 ± 0,000737 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn
nuclear quadrupole moment
avastamise aeg
parity

decay mode	Intensiivsus
n (neutron emission)

³⁷Na

massiarv	37
neutron number	26
Relative Atomic Mass	37,057042 ± 0,000737 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn	3/2
nuclear quadrupole moment
avastamise aeg	2002
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁸Na

massiarv	38
neutron number	27
Relative Atomic Mass	38,066458 ± 0,000768 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn
nuclear quadrupole moment
avastamise aeg
parity

decay mode	Intensiivsus
n (neutron emission)

³⁹Na

massiarv	39
neutron number	28
Relative Atomic Mass	39,075123 ± 0,000797 Da
g-factor
natural abundance
radioaktiivsus	☢️ radioactive element
Poolestusaeg
spinn	3/2
nuclear quadrupole moment
avastamise aeg	2019
parity	+

decay mode	Intensiivsus
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

ajalugu

leiutaja või avastaja	Sir Humphrey Davy
location of discovery	England
avastamise aeg	1807
etümoloogia	Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
pronunciation	SO-di-em (inglise)

allikas

Abundance
Abundance in Earth's crust	23 600 mg/kg
natural abundance (ookean)	10 800 mg/L
natural abundance (Inimkeha)	0,14 %
natural abundance (meteoorkeha)	0,55 %
natural abundance (Päike)	0,004 %
Abundance in Universe	0,002 %

Nuclear Screening Constants

1	s	0.3741
2	p	4.1982
2	s	4.4286
3	s	8.4926

Naatrium on ChemicalAid

Naatrium (Na)

Füüsikalised Omadused

Keemilised Omadused

teine

Isotopes of Sodium

17Na

18Na

19Na

20Na

21Na

22Na

23Na

24Na

25Na

26Na

27Na

28Na

29Na

30Na

31Na

32Na

33Na

34Na

35Na

36Na

37Na

38Na

39Na

ajalugu

allikas

Nuclear Screening Constants

¹⁷Na

¹⁸Na

¹⁹Na

²⁰Na

²¹Na

²²Na

²³Na

²⁴Na

²⁵Na

²⁶Na

²⁷Na

²⁸Na

²⁹Na

³⁰Na

³¹Na

³²Na

³³Na

³⁴Na

³⁵Na

³⁶Na

³⁷Na

³⁸Na

³⁹Na