The Periodic Table
Across
- 3. alkali metals are very reactive with this substance
- 4. the whole number in the element box
- 6. the only nonmetal to the left of the staircase
- 7. group 1 & 2 elements are more reactive as you go __
- 10. metals are found to the _____ of the zigzag
- 11. columns are called this
- 13. elements directly around the staircase
- 18. elements that form groups 3-12
- 19. elements found to the left of the zigzag line
- 20. nonmetals are found to the ______ of the zigzag
- 22. the family with the most reactive nonmetals
- 23. the short form to represent each element
- 25. rows on the periodic table are also called this
- 29. this group contains fluorine, bromine,&chlorine
- 30. first name of the inventor of the periodic table
- 31. most reactive nonmetal
Down
- 1. the name of group 2 elements
- 2. periodic table was invented in 18__
- 4. group with the most reactive metals
- 5. a chart organizing elements by atomic #
- 8. most reactive alkali metal
- 9. elements in group 17 are more reactive as it moves ___
- 12. number in the element box WITH a decimal
- 14. zigzag line separating elements
- 15. an older name for lanthanides
- 16. elements 89-103 on the periodic table
- 17. group of elements that don't react with others
- 21. group that contains sodium, rubidium, lithium, etc.
- 24. the group that contains noble gases
- 26. elements found to the right of the zigzag line
- 27. the number of periods on the periodic table
- 28. last name of the inventor of the periodic table