Across
- 2. This periodic table group have the most reactive nonmetals
- 5. The periodic table grouped in a row not a column
- 6. a Metalloid with a atomic number of 13
- 8. Created the first published periodic table
- 10. the number of valence electrons group 1 has
- 12. Shiny and The most dense organization on the perioduc table
- 13. the first element that is in the Lanthanides periodic table group
- 16. Have full valence electron shells
- 17. The ionic charge of oxegen
- 18. Dull,brittle, and break easily
- 20. a noble gas with a atomic mass of 83.80
- 21. The ionic charge of Hydrogen
- 22. Created the first periodic table but was never published
- 25. come from ores in the earth crust
- 27. a nonmetal with an atomic mass of 18.00
- 29. This element is found in the alkali metal group with a atomic number of 11
Down
- 1. the range or groups in the periodic table where Transition metals can be found
- 3. The periodic table group that oxidizes in air
- 4. also known as "Rare earth metals
- 7. The number of valence electrons Group 18 has
- 9. Recognized that the atomic number organizes the periodic table
- 11. Have low melting and boiling points
- 14. The name of a positively charged ion in a metal
- 15. a non-metal with a atomic number of 15
- 19. The periodic table group that is extremly soft
- 23. Contain properties of non-metals and metals
- 24. the group where Alkaline earth metals can be found
- 26. this element is a type of metal with an atomic number of 20
- 28. The name of a negatively charged ion in a nonmetal