Download Final Exam Resource Book – Day 3 Chemistry I. Scientists A. John

Final Exam Resource Book – Day 3
Chemistry
I. Scientists
A. John Dalton
1. What did he discover?
2. Draw his model
B. J.J. Thompson
1. What did he discover?
2. Draw his model
C. Rutherford
1. What did he discover?
2. Draw his model
D. Bohr
1. What did he discover?
2. Draw his model
II. Atom
A. Most of the mass of an atom is found in
nucleus
1. Nucleus = Proton + Neutrons
2. Electrons = outside of nucleus
Causes chemical bonding
B. Atom model (neutral atom)
n+n+
n+n+
Their valence electrons & Group #
E. Ions
1. Metals = * loses electrons
(+) charge
* Group # is the charge
2. Nonmetals = *Gains electrons
(-) charge
*(Group # - 8) is the charge
F. Metals
1. List 5 metals for the following Groups 1,
2, and 3
G. Nonmetals
1. List 5 nonmetals for the following Groups
4, 5, 6, & 7
H. Ions
1. Write the ion charge for the following
Elements
1. Na
4. Si
7. F
2. Mg
5. N
3. Al
6. O
I. Physical/Chemical Changes
1. Physical Change
*List 5 Physical Changes
2. Chemical Change
*List 4 Chemical Changes
J. Isotopes
1. #p is not the same as # neutrons
2.
C. Periodic Table
1. # protons and electrons = Atomic #
2. # neutrons = Mass # - Atomic #
3. Atomic # = identifies atom
4. Mass # = Atomic # + # neutrons
5.
11 B
5
→11 = Atomic mass
5 = Atomic #
6. Carbon – 14
14 = Atomic Mass
7. Valence Electrons = Group #
(outer electrons)
8. Energy Levels = Period #
9.Elements in same group =
Similar chemical properties
D. Groups
1. List the 8 major Groups (families) and
12 C;
6
Carbon-12; C-12
Ways to write isotopes
K. Lewis Diagrams
Draw the Lewis Diagram for the following
Elements
A. Group 1 Na
B. Group 2 Mg
C. Group 3 Al
D. Group 4 C
E. Group 5 N
F. Group 6 O
G. Group 7 Cl
H. Group 8 Ar