Periodic Table and Valence Electrons
Across
- 3. term used to describe metallic elements as "shiny"
- 5. the vertical columns on the periodic table
- 8. these elements touch the staircase on the periodic table
- 9. he is often referred to as the father of the periodic table but his version was organized by atomic weigh
- 10. an anion with a positive charge
- 13. non-metal elements _______ valence electrons to form ions
- 15. to flatten out when hammered
- 17. the horizontal rows on the periodic table
Down
- 1. they are used to represent the number of valence electrons around the symbol of an element
- 2. any element located in an A group is called a _________ element
- 4. ______metals are located in the B group locations on the periodic table
- 6. metal elements _______ valence electrons to form ions
- 7. Moseley's version of periodic differed from Mendeleev's and was arranged by _______ number
- 11. _____metals are very reactive with water and located in group 1A
- 12. ________rule states that atoms that have 8 valence electrons tend to very stable (unreactive)
- 14. ______gases are located in group 8A and are unreactive
- 16. an ion with negative charge