Across
- 2. any of the monovalent metals of group I of the periodic table
- 4. ready susceptibility to chemical change
- 7. any of five related nonmetallic elements (group 17)
- 12. measure of the pull an atom has on an electron
- 15. measure of the number of atoms and their mass when they occupy a certain volume of space
- 16. any of the bivalent metals of group II of the periodic table
- 18. not resembling shiny, malleable, conductive elements
- 19. the amount of energy liberated when an electron is added to a neutral atom to form a negatively charged ion
- 22. class of chemicals where the nucleus of the atom is unstable
- 23. a vertical column
Down
- 1. any of the chemically inert gaseous elements of the helium group in the periodic table
- 3. changes the state of an element from its solid state to its liquid state
- 5. not participating in a chemical reaction
- 6. a fourth state of matter distinct from solid, liquid or gas
- 8. Measures how strong d Ye is held by nucleus
- 9. surrounding an atom's nucleus where the electrons are most likely to be at any given moment
- 10. The electron on the outer shell
- 11. a representation of something, often on a smaller scale
- 13. Human made
- 14. the property of an atom that causes it to have weight
- 17. the temperature at which the vapour pressure of a liquid is one atmosphere
- 20. a horizontal row
- 21. Size of an atom