Across

1. this metal, combined with OH makes up a base

5. Same number of protons, different number of neutrons

6. solution whose pH is less than 7

10. produced through the reaction of an acid and a base

14. moles per liter

15. dissolved in a solvent

19. toxic effect that happens right away

21. bond that results from the attraction of two oppositely charged ions

23. Mendeleleev's table

24. acids taste ______

26. one PPT is one ________ per liter

28. this is 1/1000 of a kilogram

30. bond that shares electrons

31. the ideal number of valence electrons for almost all atoms

33. toxic effect that takes a long time to manifest itself

34. part per hundred

35. dissolves the solute

37. the way that a substance enters our body is the ______ of entry

Down

2. the man who gave us the dot structure

3. how much of one thing is dissolved per unit of another

4. an acid or a base that only weakly dissociates in water

7. the number of protons in a nucleus determines the ______ number

8. there exists one _____ atom for every 6700 hydrogen atoms in the universe

9. the outermost electron shell where chemical reactions take place

11. the man behind the mole

12. found in the nucleus but has no charge

13. conduct electricity when melted or dissolved in water

16. all the different substances that make up the universe

17. the most abundant element in the universe

18. atom or group of atoms with an electrical charge

20. this covalently bonded molecule covers three quarters of the earth

22. a double bond is said to be __________

24. a simple aromatic molecule

25. another word for the hydrogen ion

27. the amount of substance that contains the same number of particles as in 12 grams of carbon

29. an acid is formed when rain falls through carbon_______

32. hydrochloric acid

36. ability to do work