Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

³⁴Ca

34.01412 (32)

<35

ns

13,150 (300)

7,224 (9)

2p ?

³⁵Ca

35.00494 (21)

25.7

ms

4,600 (200)

7,493 (6)

B+

100

³⁶Ca

35.993087 (43)

102

ms

-6,439 (40)

7,816 (1.1)

B+

100

³⁷Ca

36.985870 (24)

181.1

ms

-13,162 (22)

8,004.2 (6)

B+

100

³⁸Ca

37.9763185 (49)

440

ms

-22,059.2 (4.6)

8,240.1 (1.2)

B+

100

³⁹Ca

38.9707197 (20)

859.6

ms

-27,274.4 (1.9)

8,369.46 (4.8)

B+

100

⁴⁰Ca

39.96259098 (22)

96.941 (156)

stable

-34,846.28 (21)

8,551.301 (5)

⁴¹Ca

40.96227806 (26)

102

ky

-35,137.76 (24)

8,546.703 (6)

EC

100

⁴²Ca

41.95861801 (27)

0.647 (23)

stable

-38,547.07 (25)

8,616.559 (6)

⁴³Ca

42.95876663 (32)

0.135 (10)

stable

-38,408.64 (30)

8,600.659 (7)

⁴⁴Ca

43.95548175 (40)

2.086 (110)

stable

-41,468.48 (38)

8,658.170 (9)

⁴⁵Ca

44.95618657 (44)

162.67

d

-40,811.95 (41)

8,630.540 (9)

B-

100

⁴⁶Ca

45.9536926 (24)

0.004 (3)

stable

-43,135.1 (2.3)

8,668.89 (4.9)

⁴⁷Ca

46.9545460 (24)

4.536

d

-42,340.1 (2.3)

8,639.26 (4.8)

B-

100

⁴⁸Ca

47.9525342 (44)

0.187 (21)

53

Ey

-44,214.1 (4.1)

8,666.47 (8.5)

⁴⁹Ca

48.9556741 (44)

8.718

m

-41,289.3 (4.1)

8,594.63 (8.3)

B-

100

⁵⁰Ca

49.9575190 (99)

13.9

s

-39,570.8 (9.3)

8,549.8 (1.8)

B-

100

⁵¹Ca

50.96150 (10)

10

s

-35,863 (94)

8,468 (1.8)

B-

100

⁵²Ca

51.96510 (75)

4.6

s

-32,510 (700)

8,400 (13)

B-

100

⁵³Ca

52.97005 (54)

90

ms

-27,900 (500)

8,302 (9)

B-

100

⁵⁴Ca

53.97435 (75)

50

ms

-23,890 (700)

8,220 (13)

B- ?

⁵⁵Ca

54.98055 (75)

30

ms

-18,120 (700)

8,120 (13)

B- ?

⁵⁶Ca

55.98557 (97)

10

ms

-13,440 (900)

8,030 (16)

B- ?

⁵⁷Ca

56.9924 (11)

5

ms

-7,100 (1000)

7,920 (18)

B- ?