Natrium (Na)

chemical element with symbol Na and atomic number 11

Atomic Number	11
Atomic Weight	22.98976928
Nombor jisim	23

Group	1
Period	3
Block	s

proton	11 p⁺
neutron	12 n⁰
Elektron	11 e^-

Sifat Fizikal

Jejari Atom	180 pm 225 pm
molar volume	23.7 cm³/mol
Jejari kovalen	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
Jejari van der Waals	240 pm 227 pm 227 pm 270 pm 298.3 pm
ketumpatan	0.97 g/cm³ 927 kg/m³

Sifat Kimia

{ERROR}

tenaga

proton affinity
Pertalian elektron	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

Entalpi pengewapan	97.9 kJ/mol
entalpi pelakuran	2.64 kJ/mol
standard enthalpy of formation	107.5 kJ/mol
Elektron

Petala elektron	2, 8, 1

Elektron valens	1 ⓘ

tatarajah elektron	[Ne] 3s¹ⓘ 1s² 2s² 2p⁶ 3s¹

Keadaan pengoksidaan	-1, 0, 1
Keelektronegatifan	5.14 eV/particle 0.093214 0.93
Electrophilicity Index	0.8805526605183994 eV/particle
keadaan jirim asas

fasa jirim
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
triple point
rupa
warna	Black #0000ff #ab5cf2 #ab5cf2
rupa	silvery white metallic
indeks biasan
sifat bahan
Thermal Conductivity	142 W/(m K)
Pengembangan terma	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
Kekonduksian elektrik	21 MS/m
Kerintangan dan kekonduksian elektrik	0.00000004699999999998 Ω*m
Kesuperkonduksian
kemagnetan
type	paramagnetic
magnetic susceptibility (Mass)	0.0000000088 m³/Kg
magnetic susceptibility (Molar)	0.0000000002 m³/mol
magnetic susceptibility (Volume)	0.0000086
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure	{ERROR}
lattice constant	4.23 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	0.69 MPa 0.5 MPa
Modulus pukal	6.3 GPa
shear modulus	3.3 GPa
Young's modulus	10 GPa
Nisbah Poisson
Kelajuan bunyi	3,200 m/s
pengelasan
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
Nombor kuantum	2S1/2
space group	229 (Im_3m)

Isotopes of Sodium

Stable Isotopes	1
Unstable Isotopes	22
Natural Isotopes	1

¹⁷Na

Nombor jisim	17
nombor neutron	6
Jisim Atom Relatif	17.037273 ± 0.000064 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	1/2
nuclear quadrupole moment	0
tarikh penemuan	2017
parity	+

decay mode	Keamatan (fizik)
p (proton emission)	100%

¹⁸Na

Nombor jisim	18
nombor neutron	7
Jisim Atom Relatif	18.026879388 ± 0.000100785 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.3 ± 0.4 zs
Spin	1
nuclear quadrupole moment
tarikh penemuan	2004
parity	-

decay mode	Keamatan (fizik)
p (proton emission)

¹⁹Na

Nombor jisim	19
nombor neutron	8
Jisim Atom Relatif	19.013880264 ± 0.000011309 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1969
parity	+

decay mode	Keamatan (fizik)
p (proton emission)	100%

²⁰Na

Nombor jisim	20
nombor neutron	9
Jisim Atom Relatif	20.007354301 ± 0.00000119 Da
g-factor	0.1847 ± 0.0001
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	447.9 ± 2.3 ms
Spin	2
nuclear quadrupole moment	0.101 ± 0.008
tarikh penemuan	1950
parity	+

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

²¹Na

Nombor jisim	21
nombor neutron	10
Jisim Atom Relatif	20.997654459 ± 0.000000045 Da
g-factor	1.5907333333333 ± 0.000026666666666667
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	22.455 ± 0.0054 s
Spin	3/2
nuclear quadrupole moment	0.138 ± 0.011
tarikh penemuan	1940
parity	+

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

²²Na

Nombor jisim	22
nombor neutron	11
Jisim Atom Relatif	21.994437547 ± 0.000000141 Da
g-factor	0.582 ± 0.001
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.6019 ± 0.0006 y
Spin	3
nuclear quadrupole moment	0.18 ± 0.011
tarikh penemuan	1935
parity	+

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

²³Na

Nombor jisim	23
nombor neutron	12
Jisim Atom Relatif	22.98976928195 ± 0.00000000194 Da
g-factor	1.4783333333333 ± 0.00002
natural abundance	100
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	3/2
nuclear quadrupole moment	0.104 ± 0.001
tarikh penemuan	1921
parity	+

²⁴Na

Nombor jisim	24
nombor neutron	13
Jisim Atom Relatif	23.990963012 ± 0.000000017 Da
g-factor	0.422575 ± 0.0002
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	14.956 ± 0.0015 h
Spin	4
nuclear quadrupole moment
tarikh penemuan	1934
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²⁵Na

Nombor jisim	25
nombor neutron	14
Jisim Atom Relatif	24.989953974 ± 0.000001288 Da
g-factor	1.4732 ± 0.0016
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	59.1 ± 0.6 s
Spin	5/2
nuclear quadrupole moment	0.0015 ± 0.0003
tarikh penemuan	1943
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²⁶Na

Nombor jisim	26
nombor neutron	15
Jisim Atom Relatif	25.992634649 ± 0.000003759 Da
g-factor	0.95033333333333 ± 0.00066666666666667
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1,071.28 ± 0.25 ms
Spin	3
nuclear quadrupole moment	-0.0053 ± 0.0002
tarikh penemuan	1958
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²⁷Na

Nombor jisim	27
nombor neutron	16
Jisim Atom Relatif	26.994076408 ± 0.000004 Da
g-factor	1.558 ± 0.002
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	301 ± 6 ms
Spin	5/2
nuclear quadrupole moment	-0.0071 ± 0.0003
tarikh penemuan	1968
parity	+

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

²⁸Na

Nombor jisim	28
nombor neutron	17
Jisim Atom Relatif	27.998939 ± 0.000011 Da
g-factor	2.426 ± 0.003
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	33.1 ± 1.3 ms
Spin	1
nuclear quadrupole moment	0.389 ± 0.011
tarikh penemuan	1969
parity	+

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

²⁹Na

Nombor jisim	29
nombor neutron	18
Jisim Atom Relatif	29.002877091 ± 0.000007876 Da
g-factor	1.6326666666667 ± 0.0053333333333333
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	43.2 ± 0.4 ms
Spin	3/2
nuclear quadrupole moment	0.085 ± 0.003
tarikh penemuan	1969
parity	+

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

³⁰Na

Nombor jisim	30
nombor neutron	19
Jisim Atom Relatif	30.009097931 ± 0.000005074 Da
g-factor	1.0415 ± 0.005
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	45.9 ± 0.7 ms
Spin	2
nuclear quadrupole moment
tarikh penemuan	1969
parity	+

decay mode	Keamatan (fizik)
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

Nombor jisim	31
nombor neutron	20
Jisim Atom Relatif	31.013146654 ± 0.000015 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	16.8 ± 0.3 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1969
parity	+

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

³²Na

Nombor jisim	32
nombor neutron	21
Jisim Atom Relatif	32.020011024 ± 0.00004 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	12.9 ± 0.3 ms
Spin	3
nuclear quadrupole moment
tarikh penemuan	1972
parity	-

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

³³Na

Nombor jisim	33
nombor neutron	22
Jisim Atom Relatif	33.025529 ± 0.000483 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	8.2 ± 0.4 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1972
parity	+

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

³⁴Na

Nombor jisim	34
nombor neutron	23
Jisim Atom Relatif	34.03401 ± 0.0006435 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	5.5 ± 1 ms
Spin	1
nuclear quadrupole moment
tarikh penemuan	1983
parity	+

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

³⁵Na

Nombor jisim	35
nombor neutron	24
Jisim Atom Relatif	35.040614 ± 0.00072 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.5 ± 0.5 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1983
parity	+

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

³⁶Na

Nombor jisim	36
nombor neutron	25
Jisim Atom Relatif	36.049279 ± 0.000737 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

decay mode	Keamatan (fizik)
n (neutron emission)

³⁷Na

Nombor jisim	37
nombor neutron	26
Jisim Atom Relatif	37.057042 ± 0.000737 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2002
parity	+

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

³⁸Na

Nombor jisim	38
nombor neutron	27
Jisim Atom Relatif	38.066458 ± 0.000768 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

decay mode	Keamatan (fizik)
n (neutron emission)

³⁹Na

Nombor jisim	39
nombor neutron	28
Jisim Atom Relatif	39.075123 ± 0.000797 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2019
parity	+

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

sejarah

penemu atau pereka	Sir Humphrey Davy
tempat penemuan	England
tarikh penemuan	1807
Etimologi	Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
sebutan	SO-di-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust	23,600 mg/kg
natural abundance (lautan)	10,800 mg/L
natural abundance (Tubuh manusia)	0.14 %
natural abundance (Meteoroid)	0.55 %
natural abundance (Matahari)	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

Natrium on ChemicalAid

Natrium (Na)

Sifat Fizikal

Sifat Kimia

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

sejarah

sumber

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