
bohr and lewis
Presentation
•
Physics
•
12th Grade
•
Easy
Standards-aligned
. Ade
Used 9+ times
FREE Resource
31 Slides • 37 Questions
1
2
Fill in the Blanks
from your coach Bk find and finish the sentences from ch1 lesson2 p.13
recall that protons and nuetrons have _____ the same mass. in addition, ______, the entire mass of an atom is in the nucleus.
The atomic number of an _______ is _____ to the number of _______ in its atoms.
3
Multiple Choice
What determines an element's chemical reactivity?
protons
electrons
neutrons
valence electrons
4
Fill in the Blanks
from your coach Bk find and finish the sentence. include . ch2 lesson 2.
energy levels
Recall from lesson 1, that ________ move around the _______ within areas called ______ levels. The electron _____ model of the atom is more _________ than the Bohr model however the Bohr model is more effective at showing an atoms energy levels
Type answer...
5
6
Open Ended
write your steps to draw a Bohr model of an atom. ie chlorine
7
8
Multiple Choice
how many VE
7
8
9
10
do you have noble gas
9
10
11
Multiple Choice
Which element is this?
Nickel
Neon
Sodium
Nitrogen
12
Multiple Choice
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
13
Multiple Choice
How many valence electrons are in this element?
7
6
5
2
14
Multiple Choice
How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?
2
6
8
10
15
Multiple Choice
A __________ is a subatomic particle with a neutral charge.
proton
neutron
electron
nucleus
16
Multiple Choice
The period number is equal to
The number of energy levels
The number of electrons
the number of protons
The number of valence electrons
17
18
19
20
21
22
Multiple Choice
The period number is equal to
The number of energy levels
The number of electrons
the number of protons
The number of valence electrons
23
Multiple Choice
On the periodic table, Periods are
Horizontal rows
Vertical columns
24
Multiple Choice
On the periodic table, Groups aka families are
Horizontal rows
Vertical columns
25
Fill in the Blanks
the family column or group # on the periodic table lets ya know the # of _______ _________ {vocabulary word)
26
Fill in the Blanks
the period # [horizontal rows] on the P table tells you the # or
the # of slots gives hint to answer
27
Draw
Draw Bohr model of Al
28
One way we can display the reactivity of an atom is to use the Lewis Dot Model.
Has the chemical symbol surrounded by dots to represent the valence electrons.
29
One way we can display the reactivity of an atom is to use the Lewis Dot Model.
Has the chemical symbol surrounded by dots to represent the valence electrons.
30
31
Multiple Choice
4
3
14
16
32
Multiple Choice
Protons
Neutrons
Electrons
Valence Electrons
33
Multiple Choice
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
34
-Lewis dot diagram is a diagram that represents the valence electrons of an element as dots.
-In molecules: It is used to show how the electrons are arranged around individual atoms
Lewis dot diagram
What is Lewis dot diagram
35
Please copy the main points into your notebook.

36
37
Multiple Choice
Bohrs Model of the Atom shows ______ orbiting the nucleus in certain energy levels. Similar to how planets orbit the sun.
Protons
Neutrons
Electrons
38
39
40
Poll
I have recorded the valence numbers on my periodic table.. coach book p table in back
Yes
I do not have a copy of the periodic table
41
42
Multiple Choice
How many valence electrons does Nitrogen have?
5
7
8
14
43
Multiple Choice
How many valence electrons does Oxygen have?
1
6
8
16
44
Multiple Choice
How many valence electrons does Xenon have?
54
131
8
18
45
Multiple Choice
How many valence electrons does Magnesium have?
2
12
24
24.305
46
Multiple Choice
How many valence electrons does Potassium have?
19
1
39
4
47
48
49
50
51
52
Multiple Choice
This could be the dot diagram of
Ne
H
C
F
53
Multiple Choice
This could be the dot diagram of an element with the atomic number
8
31
19
36
54
Multiple Choice
This could be the dot diagram of (remember to look at group #)
O
B
Li
Ne
55
Multiple Choice
This is a correct dot diagram for neon (Ne)
true
false
56
Draw
draw dot diagram for nitrogen (N)
57
Draw
draw dot diagram for nitrogen (Cl)
58
Multiple Choice
What is the goal of the Lewis Dot Structure?
To determine the electron position.
To show the element's valence electrons & bonding capabilities.
To find the atomic mass of an element.
To search for the number of electrons in an individual atom.
59
Multiple Choice
How would you draw a Lewis dot diagram for Magnesium?
60
61
62
63
64
65
66
67
Draw
Illustrate a Bohr diagram for Fluorine. (Use a Periodic Table)
68
Draw
Create a Lewis Structure for Krypton (Kr). (Use a Periodic Table)
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