1
												2				3
				4
							5
		6
												7
				8			9
						10
		11
	12										13
						14
				15
16						17
								18
			19
					20

Across 5. Symbol is W 6. Symbol is Au 7. Symbol is Na 8. Symbol is Ca 10. Symbol is Al 12. Symbol is Zn 14. Symbol is Ag 16. Symbol is F 19. Symbol is Hg 20. Symbol is Fe

Down 1. Symbol is P 2. Symbol is K 3. Symbol is S 4. Symbol is Si 9. Symbol is Cl 11. Symbol is Bi 13. Symbol is Ar 15. Symbol is Br 17. Symbol is Ne 18. Symbol is B