Element

Z

Nn

Nn + Z

SCBO

Mass defect (Experimental)*

Cal. from

Equation (1)

Cal. from

Equation (2)

H

1

0

1

5

0

1.6

10.5

He

2

1

3

6

−8.3

−8.8

−8.7

Li

3

3

6

8

−34.4

−29.8

−37.5

Be

4

3

7

10

−40.4

−50.7

−47.1

B

5

5

10

12

−69.5

−71.7

−75.9

C

6

6

12

14

−98.9

−92.6

−95.1

N

7

7

14

16

−112.4

−113.5

−114.4

O

8

8

16

18

−137.0

−134.5

−133.6

F

9

10

19

20

−158.7

−155.4

−162.4

Ne

10

10

20

22

−172.5

−176.4

−172.0

Na

11

12

23

24

−200.3

−197.3

−200.8

Mg

12

12

24

26

−212.8

−218.3

−210.4

Al

13

14

27

28

−241.5

−239.2

−239.2