1. Atomic Theory Review

2. Content to Know for the Exam
Atomic Theories:
Democritus
Dalton
Thomson
Bohr
Rutherford
Schrodinger
Structure of an Atom
Nucleus – made of protons & neutrons
Electrons orbit nucleus
Finding the number of protons, neutrons, and electrons
Atomic Number = # protons
Atomic Mass = #protons + # neutrons

3. Content to Know for the Exam
Periodic Table
Groups – vertical columns
Periods – horizontal rows
Names of groups and periods
Alkali Metals
Alkaline Earth Metals
Transition Metals
Lanthanides
Actinides
Halogens
Noble Gases

4. Bingo Card Fold your paper into a Bingo card
You should have 16 squares
Give yourself ONE free space

5. Democritus Dalton Thomson Rutherford Bohr Schrodinger Atomic Number
Fill in the remaining 15 squares with the following terms (note, you do not have enough squares for all of the terms):
Democritus
Dalton
Thomson
Rutherford
Bohr
Schrodinger
Atomic Number
Proton
Neutron
Electron
Nucleus
Atomic Mass
Valence Electron
Isotope
Ion
Group
Period

6. Question 1
This scientist discovered the nucleus
Rutherford

7. Question 2
This scientist stated the atom is a small, round, indestructible mass
Dalton

8. Question 3
Tells us the number of protons in an atom
Atomic Number

9. Question 4 Positively charged subatomic particle found in the nucleus
Proton

10. Question 5
An atom with the same atomic number but different atomic mass.
Isotope

11. Question 6
Neutrally charged subatomic particle.
Neutron

12. Question 7
Sum of the number of protons and neutrons
Atomic Mass

13. Question 8
An atom with the same atomic number, but different number of electrons.
Ion

14. Question 9
Scientist who came up with the plum pudding model.
Thomson

15. Question 10 Scientist who came up with the quantum mechanical model.
Schrodinger

16. Question 11
Electrons found in the outermost shell that are responsible for the properties of the element.
Valence Electrons

17. Question 12
Horizontal row of the periodic table.
Period

18. Question 13
Scientist who stated electrons travel in definite paths called orbits.
Bohr

19. Question 14
Vertical column of the periodic table.
Group

20. Question 15 Dense center of an atom where all of the mass is found.
Nucleus

21. Question 16 Negative subatomic particles found orbiting the nucleus.
Electrons

22. Question 17
Scientist who discovered the electron.
Thomson

23. Question 18
First scientist to state that atoms are indivisible and indestructible.
Democritus

24. Question 19
Scientist who stated that we cannot determine the exact location of an electron, but we can find probability of the electron existing in a particular space (electron cloud model)
Schrodinger

25. Question 20
The periodic table is organized by increasing _____________
Atomic Number

26. Question 21
In a neutral atom, the number of protons equals the number of ________
Electrons