Solar Abundances

 

Solar abundance ratios taken from Allen's Astrophysical Quantities by A.N Cox (2000): Page 29:31

 

See references therein. Results differ by up to about 20% from earlier tabulations. Still some uncertainties with solar CNO abundances.

 

 

 

Atomic No

Abbreviation

Species

Atomic Mass

Abundance (dex)

1.0

H

Hydrogen

 1.0

12.0

2.0

He

Helium

  4.0

11.0

3.0

Li

Lithium

 

 

4.0

Be

Beryllium

 

 

5.0

B

Boron

 

 

6.0

C

Carbon

12.0

8.56

7.0

N

Nitrogen

14.0

8.05

8.0

O

Oxygen

16.0

8.93

9.0

F

 

 

 

10.0

Ne

Neon

20.2

8.09

11.0

Na

Sodium

23.0

6.33

12.0

Mg

Magnesium

24.3

7.58

13.0

Al

Aluminium

27.0

6.47

14.0

Si

Silicon

28.1

7.55

15.0

P

Phosphorous

31.0

5.45

16.0

S

Sulpher

32.1

7.21

17.0

Cl

Chlorine

35.5

5.5

18.0

Ar

Argon

39.9

6.56

19.0

K

Potassium

39.1

5.12

20.0

Ca

Calcium

40.1

6.34

21.0

 

 

 

 

22.0

Ti

Titanium

47.9

4.99

23.0

V

Vanadiu,

50.94

4.00

24.0

Cr

Chromium

52.0

5.67

25.0

Mn

Manganese

54.9

5.39

26.0

Fe

Iron

55.8

7.54

27.0

Co

Cobalt

58.9

4.92

28.0

Ni

Nickel

58.7

6.25