Isotopes of Sodium

List of known isotopes of the element Sodium.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁷Na	stab.	syn.	(1/2+)	—	1.703·10⁷ ±64 keV/c²	2017
¹⁸Na	0.2 MeV	syn.	(1)-	—	1.802·10⁷ ±100.7 keV/c²	2004
¹⁹Na	40 keV	syn.	(5/2+)	—	1.901·10⁷ ±11.3 keV/c²	1969
²⁰Na	447.9 ±23 ms	syn.	2+	2.971 ±0.042 fm	2·10⁷ ±1.19 keV/c²	1950
²¹Na	22.49 ±4 s	syn.	3/2+	3.013 ±0.0284 fm	2.099·10⁷ ±0.045 keV/c²	1940
²²Na	2.601 ±22 a	syn.	3+	2.985 ±0.0169 fm	2.199·10⁷ ±0.141 keV/c²	1935
²³Na	stab.	100 %	3/2+	2.993 ±0.0021 fm	2.298·10⁷ ±0.00194 keV/c²	1921
²⁴Na	14.95 ±3 h	syn.	4+	2.973 ±0.0169 fm	2.399·10⁷ ±0.017 keV/c²	1934
²⁵Na	59.1 ±6 s	syn.	5/2+	2.976 ±0.0252 fm	2.498·10⁷ ±1.288 keV/c²	1943
²⁶Na	1.071 ±25 s	syn.	3+	2.992 ±0.0331 fm	2.599·10⁷ ±3.759 keV/c²	1958
²⁷Na	301 ±6 ms	syn.	5/2+	3.013 ±0.0467 fm	2.699·10⁷ ±4 keV/c²	1968
²⁸Na	30.5 ±4 ms	syn.	1+	3.04 ±0.0581 fm	2.799·10⁷ ±11 keV/c²	1969
²⁹Na	44.1 ±9 ms	syn.	3/2+	3.092 ±0.0723 fm	2.9·10⁷ ±7.876 keV/c²	1969
³⁰Na	48 ±2 ms	syn.	2+	3.118 ±0.0884 fm	3·10⁷ ±5.074 keV/c²	1969
³¹Na	17 ±4 ms	syn.	3/2+	3.17 ±0.0893 fm	3.101·10⁷ ±15 keV/c²	1969
³²Na	13.2 ±4 ms	syn.	(3- 4-)	—	3.202·10⁷ ±40 keV/c²	1972
³³Na	8 ±4 ms	syn.	(3/2+)	—	3.302·10⁷ ±483 keV/c²	1972
³⁴Na	5.5 ±10 ms	syn.	—	—	3.403·10⁷ ±643.5 keV/c²	1983
³⁵Na	1.8 ±5 ms	syn.	(3/2+)	—	3.504·10⁷ ±720 keV/c²	1983
³⁶Na	180 ns	syn.	—	—	3.604·10⁷ ±737 keV/c²	—
³⁷Na	60 ns	syn.	—	—	3.705·10⁷ ±737 keV/c²	2002

17NaSodium-17

Classification	z: 11; n: 6; m: 17
Half life	stable nuclide
Natural abundance	synthetic nuclide
Spin/parity	(1/2+)
Discovery	2017
Mass excess	34,710 ±59.61 keV
Binding energy	5,522 ±3.506 keV
Single-particle energy	-3,444 ±63.03 keV
Q value for electron capture	18,210 ±59.61 keV

Point at nuclide

18NaSodium-18

Classification	z: 11; n: 7; m: 18
Half life	0.2 MeV
Natural abundance	synthetic nuclide
Spin/parity	(1)-
Decay modes	proton emission
Discovery	2004
Mass excess	25,030 ±93.88 keV
Binding energy	6,202 ±5.215 keV
Single-particle energy	-1,249 ±93.88 keV
Neutron separation energy	17,750 ±111.2 keV
Q value for electron capture	19,720 ±93.88 keV

Point at nuclide Decay chain of Sodium-18

19NaSodium-19

Classification	z: 11; n: 8; m: 19
Half life	40 keV
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	proton emission
Discovery	1969
Mass excess	12,920 ±10.53 keV
Binding energy	6,937 ±0.5545 keV
Single-particle energy	-322.8 ±10.53 keV
Neutron separation energy	20,170 ±94.47 keV
Q value for electron capture	11,170 ±10.53 keV
β⁻ decay energy	-18,910 ±60.91 keV

Point at nuclide Decay chain of Sodium-19

20NaSodium-20

Classification	z: 11; n: 9; m: 20
Half life	447.9 ±23 ms
Natural abundance	synthetic nuclide
Spin/parity	2+
Decay modes	electron capture (EC); electron capture + α decay
Discovery	1950
Mass excess	6,850 ±1.109 keV
Binding energy	7,298 ±0.0554 keV
Single-particle energy	2,190 ±1.12 keV
Neutron separation energy	14,150 ±10.59 keV
Q value for electron capture	13,890 ±1.109 keV
β⁻ decay energy	-10,630 ±2.168 keV
β⁻ decay energy with neutron	-33,060 ±60.01 keV
Magnetic dipole moment	0.3694 ±2·10^-4 μN
Electric quadrupole moment	0.101 ±0.008 b

Point at nuclide Decay chain of Sodium-20

21NaSodium-21

Classification	z: 11; n: 10; m: 21
Half life	22.49 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	3/2+
Decay modes	electron capture + β⁺ decay
Discovery	1940
Mass excess	-2,185 ±0.042 keV
Binding energy	7,765 ±0.002 keV
Single-particle energy	2,431 ±0.0423 keV
Neutron separation energy	17,100 ±1.109 keV
Q value for electron capture	3,546 ±0.057 keV
β⁻ decay energy	-13,090 ±0.7557 keV
β⁻ decay energy with neutron	-27,740 ±1.863 keV
Magnetic dipole moment	2.386 ±4·10^-5 μN
Electric quadrupole moment	0.138 ±0.011 b

Point at nuclide Decay chain of Sodium-21

22NaSodium-22

Classification	z: 11; n: 11; m: 22
Half life	2.601 ±22 a
Natural abundance	synthetic nuclide
Spin/parity	3+
Decay modes	electron capture + β⁺ decay
Discovery	1935
Mass excess	-5,182 ±0.132 keV
Binding energy	7,915 ±0.006 keV
Single-particle energy	6,738 ±0.1373 keV
Neutron separation energy	11,060 ±0.1384 keV
Q value for electron capture	2,843 ±0.133 keV
β⁻ decay energy	-4,782 ±0.1631 keV
β⁻ decay energy with neutron	-24,160 ±0.7659 keV
Magnetic dipole moment	1.746 ±0.003 μN
Electric quadrupole moment	0.18 ±0.011 b

Point at nuclide Decay chain of Sodium-22

23NaSodium-23

Classification	z: 11; n: 12; m: 23
Half life	stable nuclide
Natural abundance	100 %
Spin/parity	3/2+
Discovery	1921
Mass excess	-9,530 ±0.00181 keV
Binding energy	8,111 ±2·10^-4 keV
Single-particle energy	8,794 ±0.0178 keV
Neutron separation energy	12,410 ±0.1318 keV
Q value for electron capture	-4,376 ±0.104 keV
β⁻ decay energy	-4,057 ±0.0317 keV
β⁻ decay energy with neutron	-17,210 ±0.1593 keV
Magnetic dipole moment	2.217 ±3·10^-5 μN
Electric quadrupole moment	0.104 ±0.001 b

Point at nuclide

24NaSodium-24

Classification	z: 11; n: 13; m: 24
Half life	14.95 ±3 h
Natural abundance	synthetic nuclide
Spin/parity	4+
Decay modes	β⁻ decay
Discovery	1934
Mass excess	-8,418 ±0.017 keV
Binding energy	8,063 ±7·10^-4 keV
Single-particle energy	10,550 ±0.1057 keV
Neutron separation energy	6,959 ±0.0165 keV
Q value for electron capture	-2,467 ±0.513 keV
β⁻ decay energy	5,515 ±0.021 keV
β⁻ decay energy with neutron	-11,020 ±0.0357 keV
Magnetic dipole moment	1.69 ±8·10^-4 μN

Point at nuclide Decay chain of Sodium-24

25NaSodium-25

Classification	z: 11; n: 14; m: 25
Half life	59.1 ±6 s
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	β⁻ decay
Discovery	1943
Mass excess	-9,358 ±1.2 keV
Binding energy	8,101 ±0.048 keV
Single-particle energy	10,690 ±1.304 keV
Neutron separation energy	9,011 ±1.2 keV
Q value for electron capture	-7,323 ±29.07 keV
β⁻ decay energy	3,834 ±1.2 keV
β⁻ decay energy with neutron	-3,496 ±1.2 keV
Magnetic dipole moment	3.683 ±0.004 μN
Electric quadrupole moment	0.0015 ±2.999·10^-4 b

Point at nuclide Decay chain of Sodium-25

26NaSodium-26

Classification	z: 11; n: 15; m: 26
Half life	1.071 ±25 s
Natural abundance	synthetic nuclide
Spin/parity	3+
Decay modes	β⁻ decay
Discovery	1958
Mass excess	-6,861 ±3.502 keV
Binding energy	8,004 ±0.1347 keV
Single-particle energy	12,110 ±29.25 keV
Neutron separation energy	5,574 ±3.701 keV
Q value for electron capture	-7,342 ±18.75 keV
β⁻ decay energy	9,353 ±3.501 keV
β⁻ decay energy with neutron	-1,740 ±3.502 keV
Magnetic dipole moment	2.851 ±0.002 μN
Electric quadrupole moment	-0.0053 ±2·10^-4 b

Point at nuclide Decay chain of Sodium-26

27NaSodium-27

Classification	z: 11; n: 16; m: 27
Half life	301 ±6 ms
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1968
Mass excess	-5,518 ±3.726 keV
Binding energy	7,956 ±0.138 keV
Single-particle energy	13,280 ±18.8 keV
Neutron separation energy	6,728 ±5.113 keV
Q value for electron capture	-12,570 ±90.84 keV
β⁻ decay energy	9,068 ±3.726 keV
β⁻ decay energy with neutron	2,625 ±3.726 keV
Magnetic dipole moment	3.895 ±0.005 μN
Electric quadrupole moment	-0.0071 ±2.999·10^-4 b

Point at nuclide Decay chain of Sodium-27

28NaSodium-28

Classification	z: 11; n: 17; m: 28
Half life	30.5 ±4 ms
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1969
Mass excess	-988.4 ±10.24 keV
Binding energy	7,799 ±0.3659 keV
Single-particle energy	15,320 ±91.34 keV
Neutron separation energy	3,541 ±10.9 keV
Q value for electron capture	-12,290 ±126.4 keV
β⁻ decay energy	14,030 ±10.24 keV
β⁻ decay energy with neutron	5,526 ±10.24 keV
Magnetic dipole moment	2.426 ±0.003 μN
Electric quadrupole moment	0.389 ±0.011 b

Point at nuclide Decay chain of Sodium-28

29NaSodium-29

Classification	z: 11; n: 18; m: 29
Half life	44.1 ±9 ms
Natural abundance	synthetic nuclide
Spin/parity	3/2+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1969
Mass excess	2,679 ±7.337 keV
Binding energy	7,682 ±0.253 keV
Single-particle energy	15,900 ±126.2 keV
Neutron separation energy	4,403 ±12.6 keV
Q value for electron capture	-15,720 ±149.6 keV
β⁻ decay energy	13,290 ±7.344 keV
β⁻ decay energy with neutron	9,628 ±7.341 keV
Magnetic dipole moment	2.449 ±0.008 μN
Electric quadrupole moment	0.085 ±0.003 b

Point at nuclide Decay chain of Sodium-29

30NaSodium-30

Classification	z: 11; n: 19; m: 30
Half life	48 ±2 ms
Natural abundance	synthetic nuclide
Spin/parity	2+
Decay modes	β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery	1969
Mass excess	8,474 ±4.727 keV
Binding energy	7,501 ±0.1576 keV
Single-particle energy	17,210 ±149.5 keV
Neutron separation energy	2,276 ±8.727 keV
Q value for electron capture	-14,810 ±253.2 keV
β⁻ decay energy	17,350 ±4.901 keV
β⁻ decay energy with neutron	11,010 ±4.739 keV
Magnetic dipole moment	2.083 ±0.01 μN

Point at nuclide Decay chain of Sodium-30

31NaSodium-31

Classification	z: 11; n: 20; m: 31
Half life	17 ±4 ms
Natural abundance	synthetic nuclide
Spin/parity	3/2+
Decay modes	β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery	1969
Mass excess	12,240 ±13.97 keV
Binding energy	7,398 ±0.4507 keV
Single-particle energy	18,320 ±253.6 keV
Neutron separation energy	4,299 ±14.75 keV
Q value for electron capture	-18,940 ±266.5 keV
β⁻ decay energy	15,360 ±14.3 keV
β⁻ decay energy with neutron	13,050 ±14.03 keV
Magnetic dipole moment	2.305 ±0.008 μN

Point at nuclide Decay chain of Sodium-31

32NaSodium-32

Classification	z: 11; n: 21; m: 32
Half life	13.2 ±4 ms
Natural abundance	synthetic nuclide
Spin/parity	(3- 4-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery	1972
Mass excess	18,640 ±37.26 keV
Binding energy	7,219 ±1.164 keV
Single-particle energy	19,830 ±268.7 keV
Neutron separation energy	1,677 ±39.79 keV
Q value for electron capture	-18,360 ±504.3 keV
β⁻ decay energy	19,460 ±37.4 keV
β⁻ decay energy with neutron	13,690 ±37.38 keV

Point at nuclide Decay chain of Sodium-32

33NaSodium-33

Classification	z: 11; n: 22; m: 33
Half life	8 ±4 ms
Natural abundance	synthetic nuclide
Spin/parity	(3/2+)
Decay modes	β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission
Discovery	1972
Mass excess	23,780 ±449.9 keV
Binding energy	7,089 ±13.63 keV
Single-particle energy	20,500 ±675 keV
Neutron separation energy	2,931 ±451.4 keV
Q value for electron capture	-22,350 ±749.9 keV
β⁻ decay energy	18,810 ±449.9 keV
β⁻ decay energy with neutron	16,530 ±449.9 keV

Point at nuclide Decay chain of Sodium-33

34NaSodium-34

Classification	z: 11; n: 23; m: 34
Half life	5.5 ±10 ms
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with two-neutron emission; β⁻ decay with neutron emission
Discovery	1983
Mass excess	31,680 ±599.4 keV
Binding energy	6,886 ±17.62 keV
Single-particle energy	21,730 ±848 keV
Neutron separation energy	171.3 ±749.4 keV
Q value for electron capture	-21,170 ±788.9 keV
β⁻ decay energy	23,350 ±599.4 keV
β⁻ decay energy with neutron	18,640 ±599.4 keV

Point at nuclide Decay chain of Sodium-34

35NaSodium-35

Classification	z: 11; n: 24; m: 35
Half life	1.8 ±5 ms
Natural abundance	synthetic nuclide
Spin/parity	(3/2+)
Decay modes	β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with five-neutron emission
Discovery	1983
Mass excess	37,830 ±670 keV
Binding energy	6,745 ±19 keV
Single-particle energy	22,290 ±844 keV
Neutron separation energy	1,920 ±300 keV
β⁻ decay energy	22,190 ±723 keV
β⁻ decay energy with neutron	21,430 ±670 keV

Point at nuclide Decay chain of Sodium-35

36NaSodium-36

Classification	z: 11; n: 25; m: 36
Half life	180 ns
Natural abundance	synthetic nuclide
Decay modes	neutron emission
Mass excess	45,900 ±687 keV
Binding energy	6,557 ±19 keV
β⁻ decay energy	25,520 ±974 keV
β⁻ decay energy with neutron	22,190 ±738 keV

Point at nuclide Decay chain of Sodium-36

37NaSodium-37

Classification	z: 11; n: 26; m: 37
Half life	60 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2002
Mass excess	53,130 ±687 keV
Binding energy	6,403 ±19 keV
Neutron separation energy	840 ±212 keV
β⁻ decay energy	24,920 ±980 keV
β⁻ decay energy with neutron	24,680 ±974 keV

Point at nuclide Decay chain of Sodium-37

Isotopes of Sodium

17NaSodium-17ads_clickdownload

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19NaSodium-19ads_clickcall_splitdownload

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17NaSodium-17

18NaSodium-18

19NaSodium-19

20NaSodium-20

21NaSodium-21

22NaSodium-22

23NaSodium-23

24NaSodium-24

25NaSodium-25

26NaSodium-26

27NaSodium-27

28NaSodium-28

29NaSodium-29

30NaSodium-30

31NaSodium-31

32NaSodium-32

33NaSodium-33

34NaSodium-34

35NaSodium-35

36NaSodium-36

37NaSodium-37