quantum

3. The second law of thermodynamics states that this never decreases in an isolated system
5. of Energy The law stating that energy cannot be created or destroyed
7. Energy A principle that links quantum physics with thermodynamics
8. Energy The total energy of a system in thermodynamics includes internal and this type of energy
9. Lines The idea that each element emits specific lines of light
13. Energy The term describing the energy needed to move an electron to a higher level
15. The distance between peaks of a wave in a particle’s wave-like behavior
17. The second law of thermodynamics relates to this property of disorder
18. State The lowest energy level of an atom

1. A quantum of electromagnetic radiation
2. Energy The energy emitted or absorbed when an electron changes levels
3. A particle that exhibits both wave-like and particle-like behavior
4. The smallest unit of matter that retains its chemical properties
6. Duality The theory that particles have wavelengths, proposed by De Broglie
7. The emission or absorption of energy by electrons results in this kind of transition
10. Levels A representation of the energy levels in an atom
11. The physical constant representing the speed of light
12. State The process when an atom absorbs energy, moving an electron to a higher energy level
14. The positively charged center of an atom
16. Electrons occupy specific circular paths around the nucleus in this model