Across
- 3. a set of four variables used to describe the location of electrons in an atom
- 6. What is the most probable location of an electron?
- 8. The energy required to remove an e- form an atom
- 9. is an atom or group of atoms that has either lost or gained e-
- 12. effect The reduction of the attractive force b/t a nucleus and its outer e-
- 14. The mass of an atom
- 17. What all elements exist as?
- 18. What is a positively charged ion?
- 19. a device used to measure energy released/absorbed as heat
Down
- 1. What is the standard unit 6.02 x 10^23?
- 2. What is a change that does not affect the compostition of a substance?
- 4. What is the study how heat is converted to other forms of energy?
- 5. What is the measure of how strong atoms attract bonding e- to themselves?
- 7. What are the properties of elements that will reoccur?
- 10. packets of light given off by excited atoms
- 11. When protons and neutrons in a nucleus rearrange into a lower energy state
- 13. What is known as the amount of time it takes for half of the atoms to decay?
- 15. What is the lowest energy state of an atoms?
- 16. a neutral particle having equal numbers of p+ and e-
- 18. a description of an element's tendency to endure chemical reactions