Bohr Model

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11/19/12
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes
OBJECTIVE
S.W.B.A.T describe
the placement of
subatomic
particles and
diagram atoms
using Bohr Model
Bell Ringer
Using your knowledge of
subatomic particles and
atomic structure, draw a
Hydrogen atom.
**Get your agenda book
out after you complete
your Bell Ringer**
10/11/2012
3 MINUTES LEFT!
10/11/2012
OBJECTIVE
S.W.B.A.T describe
the placement of
subatomic
particles and
diagram atoms
using Bohr Model
Bell Ringer
Using your knowledge of
subatomic particles and
atomic structure, draw a
Hydrogen atom.
**Get your agenda book
out after you complete
your Bell Ringer**
10/11/2012
1
MINUTE
LEFT!!!
10/11/2012
OBJECTIVE
S.W.B.A.T describe
the placement of
subatomic
particles and
diagram atoms
using Bohr Model
Bell Ringer
Using your knowledge of
subatomic particles and
atomic structure, draw a
Hydrogen atom.
**Get your agenda book
out after you complete
your Bell Ringer**
10/11/2012
10/11/2012
OBJECTIVE
S.W.B.A.T describe
the placement of
subatomic
particles and
diagram atoms
using Bohr Model
Bell Ringer
Using your knowledge of
subatomic particles and
atomic structure, draw a
Hydrogen atom.
**Get your agenda book
out after you complete
your Bell Ringer**
10/11/2012
10/11/2012
Monday:
Tuesday:
Wednesday:
Thursday:
Friday:
Bohr Model
Bohr Model with Ions
Constructing an Atom Activity
Happy Thanksgiving! No School!
No School!
 Be
Engaged! (Off Cell Phones,
Heads Up, Answering Questions)
 Mistakes are Welcome!
 Be Respectful (Speak politely to
peers and teachers!)
 Use Time Preciously! (Be Efficient,
Keep Up)
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes
ANNOUNCEMENTS Objective:

QUIZZES MUST BE FINISHED OR
MADE UP BY TUESDAY AFTER
SCHOOL!!
IF I DON’T HAVE A SCIENCE
FAIR IDEA BY WEDNESDAY, I
WILL ASSIGN YOU A PROJECT
S.W.B.A.T demonstrate
mastery (80%) on
todays quiz!!
Homework:

BATHROOM PASS POLICY &
DEMERIT SYSTEM WILL BE 
STRICT THIS QUARTER
ALL HOMEWORK MUST BE 
WRITTEN IN AGENDA BOOKS.
MAKE SURE YOU HAVE YOURS
EVERY DAY!
BOHR MODEL
PROBLEM SET
LAST WEEKS
ASSIGNMENTS
EXTRA CREDIT
WORKSHEET
10/11/2012
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes
OBJECTIVE
S.W.B.A.T describe
the placement of
subatomic
particles and
diagram atoms
using Bohr Model
Bell Ringer
Using your knowledge of
subatomic particles and
atomic structure, draw a
Hydrogen atom.
**Get your agenda book
out after you complete
your Bell Ringer**
10/11/2012
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes
Essential Questions:
What does an atoms structure look
like?
How are electrons configured in atoms?


What are
subatomic
particles?
How do we
determine the
number of
Subatomic
Particles in an
atom?

The parts that make up an atom.
◦ PEN: Protons, Electron, Neutrons

Atomic Number= # of protons &
electrons (in a neutral atom)
Atomic Mass= #protons + # neutrons
Mass
#
Protons

What is the
Bohr Model?


1
1
Bohr’s Model was used to explain the
energy of atoms
Only works for Hydrogen, but is
good visualization for atomic
structure
P+ : 1
E-: 1
N0:1-1= 0
nucleus
1p+
e
Electron
Energy Shell
+
-

How do we
make a Bohr
Model?
1.
2.
Determine # protons & Neutron
draw them in inner circle
Determine # Electrons place in
energy levels as follows
 1st energy level= 2e- max
 2nd energy level= 8e- max
 3rd energy level= 18e- max
LET’S PRACTICE WITH NITROGEN!
Nitrogen-14
1. Determine # protons &
Neutron draw them in inner
circle
2. Determine # Electrons place
in energy levels as follows
1st energy level= 2e- max
2nd energy level= 8e- max
3rd energy level= 18e- max
P+
EN0


What are
Valence
Electrons?
What’s the
Octet Rule?

Electrons in the outer most shell
◦ Determine elements chemical properties

Atoms gain, lose, or share
electrons in order to have 8 valence
electrons
How do valence electrons effect an
elements reactivity?
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes






1 person passes out worksheet (10 seconds!!)
1 person reads directions
Ms. Durrette solves #1:
5 min
Class solves #2:
5 min
With Partner solve #3:
5 min
Check with Class
Individually work on #4
5min
Raise your hand SILENTLY with questions
When complete raise your hand for Ms. Durrette to
collect your classwork and get your exit ticket!
How to draw Bohr Models
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes
Activity
10 minutes
Bell Ringer
5 minutes
Announcements
3 minutes
Bell Ringer Review
2 minutes
Cornell Notes
15 minutes
Bohr Model
Worksheet
Individual Practice
10 minutes
Exit Ticket
5 minutes
10 minutes




Silently Complete your Exit Ticket/Reflection
When finished raise your hand for Ms.
Durrette to collect it
Get A Head Start On Your Homework!
Extra Credit Opportunity: Complete Bohr
Model Practice Worksheet
Download