Download 6.atomic.structure

Catalyst (Left Page) – 10.22.2008
 Draw
a mixture of both elements and
compounds which have the following:
- Three molecules with three atoms per particle
- Two compounds with two atoms per particle.
Objective
 SWBAT
atom
identify and label the basic structure of an
Atomic Structure 10.22.2008
Atomic Structure
Atom = “indivisible”
from Ancient Greek
philosopher
Democritus
•
Atoms are the
smallest particles of
matter that have their
own identity
•
Atomic Structure 10.22.2008
Atom
Definition
- Smallest particles w/ own identity
Atomic Structure
Atoms are made of
smaller pieces called
subatomic particles.
•
•
Sub = below/under
Atomic = of the
atom
•
Atomic Structure 10.22.2008
Atom
Definition
-Smallest particles w/ own identity
-Atoms made of subatomic particles
Protons :: subatomic particles
•Located
in the center
/ nucleus of atom
•Have
a positive (+)
charge
•Abbreviated
as p+
Atomic Structure 10.22.2008
Atom
Definition
-Smallest particles w/ own identity
-Atoms made of subatomic particles
Subatomic
Particles
-Protons (p+): located in nucleus & have
positive charge
Neutrons :: subatomic particles
•Located
in the center
/ nucleus of atom
•Have
a neutral (0)
charge
•Abbreviated
as n0
Atomic Structure 10.22.2008
Atom
Definition
-Smallest particles w/ own identity
-Atoms made of subatomic particles
Subatomic
Particles
-Protons (p+): located in nucleus & have
positive charge
-Neutrons (n0): located in the nucleus & have
neutral/zero charge
Electrons :: subatomic particles
•Located
in the outer
electron cloud
•Constantly
moving
•Have
a negative (-)
charge
•Abbreviated
as e-
Atomic Structure 10.22.2008
Atom
Definition
-Smallest particles w/ own identity
-Atoms made of subatomic particles
Subatomic
Particles
-Protons (p+): located in nucleus & have
positive charge
-Neutrons (n0): located in the nucleus & have
neutral/zero charge
-Electrons (e-): located in outer electron
cloud, constantly moving, & have negative
charge
Bohr Model
Basic model of an atom with all subatomic
particles (1p+, 1n0, 1e-)
•
Atomic Structure 10.22.2008
Bohr Model
Processing (Left Page)
Draw
and LABEL an atomic model for each
of the following descriptions:
1.3
protons, 3 neutrons, and 3 electrons.
2.5p+,
5n0, 6e-
3.4n0,
5p+, 5e-
Summary
Take
a few minutes to make a summary of
today’s notes.
When
done, work on your HW Packet!