Across
- 2. number of Protons
- 4. another word for unreactive
- 5. has the highest electronegativity
- 6. a measure of whether or not atoms will trade electrons with other atoms
- 8. completely unreactive
- 10. column
- 15. size of an atom
- 18. electrons on the outer shell
- 19. a pattern of change
- 20. row
- 21. abbreviation of the atoms name
- 22. the quantity of something per unit volume,unit area, or unit length
Down
- 1. the act of emitting radiation spontaneously
- 3. measure of the pull an atom has on a electron
- 7. the sum of protons and neutrons
- 9. Increases reactivity going DOWN
- 11. measures how strongly a Vẽ is held by nucleus
- 12. inner rings of electrons
- 13. the temperature at which its vapor pressure is equal to the pressure of the gas above it
- 14. Increases in reactivity going UP
- 16. Follows the trends of Alkali metal but less reactive
- 17. temperature at which the solid and liquid forms of a pure substance can exist in equilibrium