Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹⁸Na

18.025969 (54)

1.3

zs

24,190 (50)

6,249 (2.8)

p

?

¹⁹Na

19.013877 (13)

<40

ns

12,927 (12)

6,938.0 (6.3)

p

100

²⁰Na

20.0073513 (72)

447.9

ms

6,847.7 (6.7)

7,298.6 (3.3)

B+

100

²¹Na

20.99765521 (75)

22.49

s

-2,184.16 (70)

7,765.52 (3.3)

B+

100

²²Na

21.99443643 (44)

2.6019

y

-5,182.44 (42)

7,915.71 (1.9)

B+

100

²³Na

22.9897692809 (29)

100

stable

-9,529.8536 (27)

8,111 (0)

²⁴Na

23.990962782 (82)

14.959

h

-8,418.114 (76)

8,063.496 (3)

B-

100

²⁵Na

24.9899540 (13)

59.1

s

-9,357.8 (1.2)

8,101.40 (4.8)

B-

100

²⁶Na

25.9926330 (63)

1.077

s

-6,862.3 (5.8)

8,004.3 (2.2)

B-

100

²⁷Na

26.9940768 (38)

301

ms

-5,517.4 (3.5)

7,956.9 (1.3)

B-

100

²⁸Na

27.998938 (14)

30.5

ms

-989 (13)

7,799.3 (4.7)

B-

100

²⁹Na

29.002861 (14)

44.9

ms

2,665 (13)

7,682.7 (4.5)

B-

100

³⁰Na

30.008976 (27)

48.4

ms

8,361 (25)

7,505.8 (8.4)

B-

100

³¹Na

31.01359 (23)

17

ms

12,650 (210)

7,385 (6.8)

B-

100

³²Na

32.02047 (38)

12.9

ms

19,060 (360)

7,210 (11)

B-

100

³³Na

33.02672 (94)

8.2

ms

24,890 (870)

7,060 (27)

B-

100

³⁴Na

34.03517 (96)

5.5

ms

32,760 (900)

6,860 (26)

B-

100

³⁵Na

35.0425 (10)

1.5

ms

39,580 (950)

6,700 (27)

B-

100

³⁶Na

36.0515 (10)

<260

ns

47,950 (950)

6,500 (26)

n ?

³⁷Na

37.0593 (10)

1

ms

55,280 (960)

6,350 (26)

B- ?

^22mNa

21.99443643 (44)

244

ns

-5,182.44 (42)

7,915.71 (1.9)

IT

100

^24mNa

23.990962782 (82)

20.2

ms

-8,418.114 (76)

8,063.496 (3)

IT~100