Nātrijs (Na)

ķīmiskais elements

Atomic Number	11
Atomic Weight	22.98976928
Masas skaitlis	23

Group	1
Period	3
Block	s

protons	11 p⁺
neitrons	12 n⁰
elektrons	11 e^-

Animated Bora atoma struktūras modelis of Na (Nātrijs)

Fizikāla Īpašība

Atoma Rādiuss	180 pm 225 pm
molar volume	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
blīvums	0,97 g/cm³ 927 kg/m³

Chemical Property

{ERROR}

enerģija

proton affinity
Elektrontieksme	0,547926 eV/particle
jonizācijas potenciāls	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

enthalpy of vaporization	97,9 kJ/mol
enthalpy of fusion	2,64 kJ/mol
standard enthalpy of formation	107,5 kJ/mol
elektrons

electron shell	2, 8, 1

vērtības elektrons	1 ⓘ

elektronu konfigurācija	[Ne] 3s¹ⓘ 1s² 2s² 2p⁶ 3s¹

Oksidēšanas pakāpe	-1, 0, 1
elektronegativitāte	5,14 eV/particle 0.093214 0.93
Electrophilicity Index	0,8805526605183994 eV/particle
fundamentālais agregātstāvoklis

agregātstāvoklis
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
trīskāršais punkts
appearance
krāsa	Black #0000ff #ab5cf2 #ab5cf2
appearance	silvery white metallic
Laušanas koeficients
thermodynamic material property
Thermal Conductivity	142 W/(m K)
Termiskā izplešanās	0,00007 1/K
Molārā siltumietilpība	28,23 J/(mol K)
Specific Heat Capacity	1,228 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	21 MS/m
īpatnējā pretestība	0,00000004699999999998 Ω*m
Supravadītspēja
Magnētisms
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000088 m³/Kg
magnetic susceptibility (Molar)	0,0000000002 m³/mol
magnetic susceptibility (Volume)	0,0000086
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure	{ERROR}
lattice constant	4,23 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Cietība	0,69 MPa 0,5 MPa
tilpuma elastības modulis	6,3 GPa
shear modulus	3,3 GPa
Junga modulis	10 GPa
Poisson's ratio
skaņas ātrums	3 200 m/s
klasifikācija
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

other

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
quantum number	2S1/2
space group	229 (Im_3m)

Isotopes of Sodium

Stable Isotopes	1
Unstable Isotopes	22
Natural Isotopes	1

¹⁷Na

Masas skaitlis	17
neutron number	6
Relative Atomic Mass	17,037273 ± 0,000064 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	2017
parity	+

decay mode	intensity
p (proton emission)	100%

¹⁸Na

Masas skaitlis	18
neutron number	7
Relative Atomic Mass	18,026879388 ± 0,000100785 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,3 ± 0,4 zs
spins	1
nuclear quadrupole moment
atklāšanas datums	2004
parity	-

decay mode	intensity
p (proton emission)

¹⁹Na

Masas skaitlis	19
neutron number	8
Relative Atomic Mass	19,013880264 ± 0,000011309 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	5/2
nuclear quadrupole moment
atklāšanas datums	1969
parity	+

decay mode	intensity
p (proton emission)	100%

²⁰Na

Masas skaitlis	20
neutron number	9
Relative Atomic Mass	20,007354301 ± 0,00000119 Da
g-factor	0,1847 ± 0,0001
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	447,9 ± 2,3 ms
spins	2
nuclear quadrupole moment	0,101 ± 0,008
atklāšanas datums	1950
parity	+

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

²¹Na

Masas skaitlis	21
neutron number	10
Relative Atomic Mass	20,997654459 ± 0,000000045 Da
g-factor	1,5907333333333 ± 0,000026666666666667
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	22,455 ± 0,0054 s
spins	3/2
nuclear quadrupole moment	0,138 ± 0,011
atklāšanas datums	1940
parity	+

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

²²Na

Masas skaitlis	22
neutron number	11
Relative Atomic Mass	21,994437547 ± 0,000000141 Da
g-factor	0,582 ± 0,001
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	2,6019 ± 0,0006 y
spins	3
nuclear quadrupole moment	0,18 ± 0,011
atklāšanas datums	1935
parity	+

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

²³Na

Masas skaitlis	23
neutron number	12
Relative Atomic Mass	22,98976928195 ± 0,00000000194 Da
g-factor	1,4783333333333 ± 0,00002
natural abundance	100
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	3/2
nuclear quadrupole moment	0,104 ± 0,001
atklāšanas datums	1921
parity	+

²⁴Na

Masas skaitlis	24
neutron number	13
Relative Atomic Mass	23,990963012 ± 0,000000017 Da
g-factor	0,422575 ± 0,0002
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	14,956 ± 0,0015 h
spins	4
nuclear quadrupole moment
atklāšanas datums	1934
parity	+

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

²⁵Na

Masas skaitlis	25
neutron number	14
Relative Atomic Mass	24,989953974 ± 0,000001288 Da
g-factor	1,4732 ± 0,0016
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	59,1 ± 0,6 s
spins	5/2
nuclear quadrupole moment	0,0015 ± 0,0003
atklāšanas datums	1943
parity	+

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

²⁶Na

Masas skaitlis	26
neutron number	15
Relative Atomic Mass	25,992634649 ± 0,000003759 Da
g-factor	0,95033333333333 ± 0,00066666666666667
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1 071,28 ± 0,25 ms
spins	3
nuclear quadrupole moment	-0,0053 ± 0,0002
atklāšanas datums	1958
parity	+

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

²⁷Na

Masas skaitlis	27
neutron number	16
Relative Atomic Mass	26,994076408 ± 0,000004 Da
g-factor	1,558 ± 0,002
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	301 ± 6 ms
spins	5/2
nuclear quadrupole moment	-0,0071 ± 0,0003
atklāšanas datums	1968
parity	+

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

²⁸Na

Masas skaitlis	28
neutron number	17
Relative Atomic Mass	27,998939 ± 0,000011 Da
g-factor	2,426 ± 0,003
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	33,1 ± 1,3 ms
spins	1
nuclear quadrupole moment	0,389 ± 0,011
atklāšanas datums	1969
parity	+

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

²⁹Na

Masas skaitlis	29
neutron number	18
Relative Atomic Mass	29,002877091 ± 0,000007876 Da
g-factor	1,6326666666667 ± 0,0053333333333333
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	43,2 ± 0,4 ms
spins	3/2
nuclear quadrupole moment	0,085 ± 0,003
atklāšanas datums	1969
parity	+

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

³⁰Na

Masas skaitlis	30
neutron number	19
Relative Atomic Mass	30,009097931 ± 0,000005074 Da
g-factor	1,0415 ± 0,005
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	45,9 ± 0,7 ms
spins	2
nuclear quadrupole moment
atklāšanas datums	1969
parity	+

decay mode	intensity
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

Masas skaitlis	31
neutron number	20
Relative Atomic Mass	31,013146654 ± 0,000015 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	16,8 ± 0,3 ms
spins	3/2
nuclear quadrupole moment
atklāšanas datums	1969
parity	+

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

³²Na

Masas skaitlis	32
neutron number	21
Relative Atomic Mass	32,020011024 ± 0,00004 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	12,9 ± 0,3 ms
spins	3
nuclear quadrupole moment
atklāšanas datums	1972
parity	-

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

³³Na

Masas skaitlis	33
neutron number	22
Relative Atomic Mass	33,025529 ± 0,000483 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	8,2 ± 0,4 ms
spins	3/2
nuclear quadrupole moment
atklāšanas datums	1972
parity	+

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

³⁴Na

Masas skaitlis	34
neutron number	23
Relative Atomic Mass	34,03401 ± 0,0006435 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	5,5 ± 1 ms
spins	1
nuclear quadrupole moment
atklāšanas datums	1983
parity	+

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

³⁵Na

Masas skaitlis	35
neutron number	24
Relative Atomic Mass	35,040614 ± 0,00072 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	1,5 ± 0,5 ms
spins	3/2
nuclear quadrupole moment
atklāšanas datums	1983
parity	+

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

³⁶Na

Masas skaitlis	36
neutron number	25
Relative Atomic Mass	36,049279 ± 0,000737 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

decay mode	intensity
n (neutron emission)

³⁷Na

Masas skaitlis	37
neutron number	26
Relative Atomic Mass	37,057042 ± 0,000737 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	3/2
nuclear quadrupole moment
atklāšanas datums	2002
parity	+

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

³⁸Na

Masas skaitlis	38
neutron number	27
Relative Atomic Mass	38,066458 ± 0,000768 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

decay mode	intensity
n (neutron emission)

³⁹Na

Masas skaitlis	39
neutron number	28
Relative Atomic Mass	39,075123 ± 0,000797 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	3/2
nuclear quadrupole moment
atklāšanas datums	2019
parity	+

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

vēsture

atklājējs vai izgudrotājs	Sir Humphrey Davy
atraduma atrašanās vieta	England
atklāšanas datums	1807
Etimoloģija	Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
izruna	SO-di-em (angļu)

avots

Abundance
Abundance in Earth's crust	23 600 mg/kg
natural abundance (okeāns)	10 800 mg/L
natural abundance (cilvēka ķermenis)	0,14 %
natural abundance (meteoroīds)	0,55 %
natural abundance (Saule)	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

Nātrijs on ChemicalAid

Nātrijs (Na)

Fizikāla Īpašība

Chemical Property

other

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

vēsture

avots

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