Honors Chemistry
Mrs. Klingaman
Chapter 2:
Sections 2.1-2.5
Atoms, Molecules, and Ions
Objectives: The students will be able to…
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Define atom and atomic structure
Document key experiments that led to the discovery of subatomic particles.
Define and apply atomic number, mass number when defining isotopes.
Relate atomic weight to the mass of an atom.
Understand the organization of the periodic table.
Name: _________________________________________
Mods: ________________
Honors Chemistry
Reading Guide
Chapter 2: Atoms, Molecules, and Ions
2.1 – Atomic Theory of Matter
1. Postulates for Daltons atomic theory:
a.
b.
c.
d.
2. Atoms
3. Law of Constant Composition
4. Law of Conservation of Mass
5. Law of Multiple Proportions
2.2 – Discovery of Atomic Structure
6. Cathode Ray Tube and Electrons
a. Cathode Ray:
b. Electrons:
c. Mass of Electrons:
7. Radioactivity
8. Nuclear Atom
a. Rutherford/Gold Foil Experiment
b. Nucleus
c. Protons
d. Neutrons
2.3 – The Modern View of Atomic Structure
9. Modern View of Atomic Structure:
a. Atomic Mass Unit (amu):
b. Atomic Size (Angstrom)
10. Atomic Number
11. Mass Number
12. Isotopes
13. Atomic Mass Scale
14. Average Atomic Masses
2.5 – The Periodic Table
15. Periods
16. Groups
17. Metals
18. Non-Metals
19. Metalloids
The next sections of Chapter 2 (2.6-2.8) will be taught
during the 2nd marking period… I can’t wait to share
chemical nomenclature and formula writing with you
all!!!!!
Until then, suspense…
Honors Chemistry
Mrs. Klingaman
Chapter 2: continued…
Sections 2.6-2.9
Atoms, Molecules, and Ions
Objectives: The students will be able to…


Recognize compounds and apply this understanding to determining the empirical and
molecular formula.
Recognize ions and be able to predict the charges associated with give ions based on their
location on the periodic table.
Name: _________________________________________
Mods: ________________
2.6 – Molecules and Molecular Compounds
20. Chemical Formula
21. Diatomic Molecules
22. Molecular Compounds
23. Molecular Formulas
24. Empirical Formulas
25. Structural Formula
2.7 – Ions and Ionic Compounds
26. Ions
27. Cations
28. Anions
29. Predicting Ionic Charges:
a. Trend of left side:
b. Trend of right side:
30. Ionic Compounds
* Sections 2.8 & 2.9 - Supporting Handouts and tables will be provided.
2.8 – Naming Inorganic Compounds & 2.9 – Simple Organic Compounds
31. *Inorganic Compounds: Names and Formulas
32. *Acids: Names and Formulas
33. *Binary Molecular Compounds: Names and Formulas
34. *Simple Organic Compounds: Names and Formulas
* Supporting Handouts and tables will be provided.