Chemistry

4. change in speed, direction or both
5. go left to right and tells you how many energy levels the atom has
6. does not its chemical composition
8. point where electron probability is zero
10. one of the main parts of an atom, and is made of three subatomic particles
11. distance divided by time
13. located in the nucleus and has a positive charge
14. speed plus direction
18. can be bent or hammered into a sheet
19. conducts electricity
20. malleable, luster conductor

1. determines the reactivity/stability
2. dull, brittle, insulator
3. located in the nucleus and has a neutral charge
7. run up and down in columns of the periodic table
9. aka electron shells, fixed distances from the nucleus of an atom where electrons may be found
12. not shiny
15. pure substance that cannot be broken down by anything physical or chemical
16. amount of matter in an object
17. table of the elements