Across
- 2. most reactive metal on the periodic table
- 3. a group found in period 6 that is rare and radioactive
- 7. organization of elements by group and period
- 11. electrons are placed in these when being mo
- 12. found in group 6A/period 3
- 14. AMU minus the atomic number
- 18. the mass or weight of an element
- 19. number of periods on the periodic table
- 20. identity of an element/number of protons
- 21. total the number of groups on the periodic table
- 23. a halogen that is in liquid form
- 26. elements that are found on the right of the stair case
- 28. abbreviation used for elements on the periodic table
- 30. an element that has only 4 neutrons
- 31. this element is the second most reactive halogen
- 34. these elements are found on the stair case
- 35. most reactive nonmetal group
- 36. vertical columns on the periodic table
- 37. transition metal that metal at room temperature
- 38. nonreactive/colorless/odorless
Down
- 1. second most reactive metal group
- 4. Group 1A/lightest Gas
- 5. elements that are found on the left of the stair case
- 6. silicone's AMU is about half of this elements AMU
- 8. most reactive metal group on the table
- 9. metals used in our everyday lives
- 10. a gas that is essential for life
- 13. this element has an AMU of 238
- 15. horizontal rows on the periodic table
- 16. metal and nonmetal characteristics
- 17. lightest of the noble gases
- 22. two or more chemically bonded elements
- 24. found on the stair case but isn't a metalloid
- 25. first person to organize the periodic table
- 27. pure as they contain only one type of atom
- 29. a group found in period 7 that is rare and radioactive
- 32. number of gases on the periodic table other than 8A
- 33. most reactive nonmetal element
- 39. this element is a liquid in the halogen group
- 40. the number of A groups on the periodic table