Unit 1&2 vocab

4. The movement of heat from one object or substance to another
6. A form of energy that exhibits wavelike behavior as it travels through space
8. The part of the universe being studied in a chemical reaction
10. The process of a substance changing from one state to another
11. The study of how heat is involved in chemical reactions
15. Electrons in the outermost shell of an atom
16. The number of protons in the nucleus of an atom,which also determines the elements identity
18. The central part of an atom containing protons and neutrons
19. Negatively charged subatomic particles found in an atom

1. A tabular arrangement of the chemical elements, organized by atomic number
2. The shortest distance between equivelent points on a continuous wave
3. A unit of energy used to measure heat
5. The fixed energies an electron can have in an atom
7. The energy of moving particles in a substance, related to temperature
9. The total heat content of a system
12. A fundamental property of electrons that describes their intrinsic angular momentum
13. Smallest unit of a chemical element
14. A pure substance consisting of only one type of atom
17. Neutral subatomic particles that are located in the nucleus