Download Physical Science Chapter 18 Vocabulary

Physical Science Chapter 18 Vocabulary
Historical background and current method used to name elements
Name:__________________________
Class period._____
1.
atom
2.
nucleus
3.
protons
4.
neutrons
5.
electrons
6.
draw a simple diagram of an atom (use protons, neutrons, electrons) (3)
7.
quarks
8.
Democritus Atomic Model
9.
Aristotle Atomic Model
10. John Dalton Atomic Model
11. Why do scientists use models?
12. Read page 548!!!
13. Electron Cloud Model
14. Where is the majority of the mass of an atom located?
15. Read Life Science Integration on page 552 and summarize the paragraph.
16. Atomic mass unit (amu)
17. atomic number
K or P?
18. mass number
a. define
b.
explain how is it calculated
19. isotopes
20. a. What is half-life?
b. What is it used for? (2)
21. Average atomic mass (definition, how is it calculated, write down an example) (3)
a. Definition
b. How is it calculated?
c. Write down an example.
22. Mendeleev
23. Periodic table
24. How is the periodic table arranged?
25. Groups (or families)
26. Energy levels (See Figure 10)
27. How many maximum electrons can the following energy levels hold? (4)
Energy level 1=
Energy level 2=
Energy level 3=
Energy level 4=
28. Electron dot diagram
29. Why do elements in a group undergo similar chemical reactions?
30. Periods
31. Read page 562 (astronomy theory on the elements in the universe)
32. Read page 566-567!
/36 points