chem ec periodic trends & atomic structure
Across
- 2. 3-dimensional region around the nucleus that indicates the probable location of an electron
- 5. negative ion
- 7. elements 90-103
- 11. - group 17 on periodic table
- 13. radius 1/2 the distance between nuclei
- 14. group 1 on periodic table
- 16. p & s block elements
- 18. quantity of energy that can be lost or gained by an atom
- 20. a block elements
- 21. the physical and chemical properties of elements
- 23. lowest energy state of an atom
- 24. each orbital is occupied by an electron before any orbital can get a second electron
- 25. energy required to remove an electron
- 26. arrangement of electrons in an atom
Down
- 1. elements 58-71
- 3. arrangement of elements
- 4. group 18; all elements want to be like them
- 6. measure of ability to attract electrons
- 8. group 2 on periodic table
- 9. positive ion
- 10. group of bounded atoms
- 12. process that results in an ion
- 15. atoms going higher than ground state
- 17. particle of electromagnetic radiation having zero mass and carrying a quantum of energy
- 19. energy change when the electron is acquired by a neutral atom
- 22. electrons that can be lost, gained, or shared