Across
- 2. positive ions are called ____
- 4. means 2
- 7. argon has ____ valence electron/s
- 8. charge of a nitrogen ion
- 10. charge of an iodine ion
- 11. the charge of nonmetals in ionic compounds is__
- 14. Al2O3
- 15. electrons are ___ between elements in ionic compounds
- 16. which group has a charge of -3
- 19. H5N9
- 22. means 1
- 24. means 9
- 29. Li4C
- 31. means 10
- 32. the charge of metals in ionic compounds is __
- 34. only elements that need a roman numeral in their names
- 36. lead has ___ valence electron/s
- 42. CsF
- 44. charge of a tin ion
- 46. electrons are___ between elements in covalent compounds
- 47. charge of an aluminum ion
- 49. charge of a carbon ion
- 51. which group has 6 valence electrons
- 52. elements in the same row have the same ___
- 53. charge of radium ion
- 54. charge of a francium ion
Down
- 1. the most stable elements belong to the ___
- 3. which group has a charge of +1
- 5. Fe2O
- 6. means 5
- 9. sodium bromide
- 12. elements in the same column have the same ____
- 13. means 7
- 17. means 6
- 18. nitrogen monoxide
- 20. the last element in an ionic compound is a __
- 21. iridium (I) bromide
- 23. charge of an oxygen ion
- 25. chemical name for water
- 26. TlCl3
- 27. magnesium chloride is a/an _____ compound
- 28. elements that touch the staircase line are called__
- 30. means 4
- 33. which group has 3 valence electrons
- 35. ionic compounds are made from a ___ and a nonmetal
- 37. C3As7
- 38. sodium has ___ valence electron/s
- 39. means 3
- 40. negative ions are called ___
- 41. means 8
- 42. water is a/an _____ compound
- 43. which group has a charge of +/- 4
- 45. naming covalent compounds require___before the element names
- 48. potassium chloride
- 50. phosphorus has ___ valence electron/s