P3 Chemistry assignment

Make a table to summarize the  first 20 elements of the Periodic Table. Use these headings:

Element                     Symbol            Atomic number            Mass number            Electronic structure

1. Hydrogen 
2. Helium  
3. Lithium 
4. Beryllium 
5. Boron 
6. Carbon 
7. Nitrogen 
8. Oxygen 
9. Fluorine 
10. Neon 
11. Sodium 
12. Magnesium 
13. Aluminium 
14. Silicon 
15. Phosphorous 
16. Sulphur 
17. Chlorine 
18. Argon 
19. Potassium
20. Calcium

Use this link to help you, the atomic number is the one on the top for each element and the mass number is the one on the bottom.