Name the first 36 elements of the Periodic Table

Crossword for naming the first 36 elements of the Periodic Table

  
Click on a number in the grid to see the chemical formula for an element. Enter the full name of the element for your answer.
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter.
            1        2       
 3         4                 
 5    6      7           8      9     
                       
       10          11          
                       
      12            13    14       
     15           16           
    17          18             
                       
     19                  20    
21                         
           22              
  23         24                
      25               26     27   
                28         
  29            30             
                       
             31            
   32                      
               33          
  34                       
            35             

Across:

4. He
5. As
8. C
10. Li
11. Ne
12. Ni
16. Si
17. Br
19. P
21. Co
22. Al
23. Fe
25. K
26. Zn
29. H
30. Mn
31. Ti
32. Ge
33. N
34. Se
35. Cr

Down:

1. S
2. B
3. Ga
6. Na
7. Ca
9. O
13. F
14. Sc
15. Kr
18. Be
20. Ar
21. Cu
24. Mg
27. Cl
28. V