Vocab 1 and 2

1. describes a property of a substance or object that is large enough to see
5. measure of the disorder of a system
8. the tiny dense central portion of an atom composed of protons and nuetrons
10. amount of energy needed to move an electron from one energy level to another
12. atoms of the same element that have the same atomic number but different atomic mass
14. mathematical expression describing the possibility of finding an electron
15. negatively charged subatomic particle
17. a subatomic particle with no charge and a mass of about 1 amu
19. levels specific energies an electron in an atom or other system can have
22. capacity to move, do work, or produce heat
24. arrangement of elements in which the elements in which the elements are separated into groups

2. process by which an object heats another
3. smallest particle of an element
4. quantum mechanical property of electrons that may be thought of as clockwise orientation
5. model used to describe mathematically region of negative charge
6. thermal energy transfer through touch
7. thermal energy transfer not through touch
9. total number of protons and neutrons in the nucleus of an atom
11. number of wave cycles that pass a given point per unit of time
13. simplest form of matter that has a unique set of properties
16. measure of the average kinetic energy of particles in matter
18. study of changes in energy during chemical reactions and changes in state
20. heat amount of heat needed to increase the temperature of 1 gram
21. distance between two adjacent wave crests
23. a positively charged subatomic particle