I.
Unit III – What Element Am I?
A.
Atomic Theory (Section 4.1and 4.3 in textbook)
Objectives:
Be able to describe the different atomic theories and how they contributed to
the current model of the atom.
Know Bohr’s model and how that relates to the current atomic model.
1.
Dalton’s Theory
a)
2.
Thomson’s Model
a)
3.
Location of Electrons (Energy Levels)
Modern Atomic Theory
a)
B.
Discovery of the Nucleus
Bohr’s Model
a)
5.
Discovery of Subatomic Particles
Rutherford’s Theory
a)
4.
Discovery of the Atom
Location of Electrons (Electron Cloud and Orbitals)
Atomic Structure (Section 4.2 in textbook)
Objectives:
Understand that atoms are the fundamental unit of matter, which is composed
of subatomic particles.
Be able to describe the properties of the subatomic particles, including charge,
mass, and locations in the atom.
Understand the role of electrons in the behavior of the atom.
1.
2.
Fundamental Particles
a)
Protons
b)
Neutrons
c)
Electrons
Atomic Properties
a)
Atomic #
b)
c)
C.
Atomic Mass
(1)
Relative Atomic Mass
(2)
Isotopes
Atomic Charge
(1)
Neutral Atoms
(2)
Ions
Periodic Table of Elements
Be able identify how the periodic table is arranged and how that arrangement is
related to trends in physical and chemical properties.
Know that the elements in the same group have similar properties due to the
number of valence electrons
Identify which elements are metal, non-metals, and metalloids
Identify the different groups and be able to recognize their shared chemical
properties.
1.
2.
3.
Arrangement of Elements (Section 5.1and 5.2 in textbook)
a)
Atomic Number
b)
Periods and Groups (Periodic Law)
c)
Atomic Mass
d)
Valence Electrons
Class of Elements
a)
Metals
b)
Non-Metals
c)
Metalloids
Groups (Section 5.3 in textbook)
a)
Representative Elements
(1)
Alkali metals
(2)
Alkaline Earth metals
(3)
Boron, Carbon, Nitrogen, and Oxygen Family
b)
(4)
Halogens
(5)
Noble Gases
Transitional Metals