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WorksheetsBohr & Lewis
Total questions: 38
Worksheet time: 21mins
What is a Bohr Model?
a simplified representation of an atom
vertical column in periodic table
horizontal row in periodic table
Only shows the element symbol and it's outer most electron shell
How many electrons can go in the first energy level?
2
8
18
32
How many electrons can go in the Second energy level?
2
8
18
32
What is a Lewis Dot Structure?
It shows all of the particles in the atom.
Contains protons and neutrons
Only shows the element symbol and it's outer most electron shell
Contains protons and electrons
What is the the outermost shell with electrons?
Shells
Isotope
Orbit
Valence
Each column of the Periodic Table are known by this number
Period
Group
Family
Transition Metals
How many valence (outer) electrons does an Oxygen atom have?
2
6
8
16
What is the atomic number of this element?
17
18
35
35.453
What is the mass number of this atom of Chlorine?
17
18
35
35.453
Which element is this?
Calcium
Chlorine
Silicon
Potassium
What element is this?
Na
P
N
S
Which Bohr model represents Be?
Which Bohr model represents Neon?
___________ simplify the Bohr Model by showing only the outer valence electrons used for bonding.
Lewis Dot Diagrams
Bohr Models
Electron Clouds
Periodic Tables
Is this a correct dot diagram for fluorine (F)
Yes
No
What is the correct lewis dot diagram for Boron?
What element it's been represented in the following image?
Potassium
Oxygen
Nitrogen
None of the above
How many levels are represented in the following model?
three
five
two
none of the above
What is the maximum number of electrons for period 3 in Bohr´s model?
two
eight
None
18
Wht is the number of valence electrons for the following model?
one
two
four
five
How many valence electrons are in the following image?
three
four
seven
two
The following image represents:
an element´s stable octet
an element with 8 valence electrons that is no reactive
an element that is stable and a noble gas
all of the answers are correct
Which one of the following structures is incorrect?
None of the above
Which one of the following structures is incorrect?
None of the above
On the periodic table, Periods are
Horizontal rows
Vertical columns
What is this element?
Beryllium (atomic #4)
Boron (atomic #5)
Carbon (atomic #6)
Nitrogen (atomic #7)
How many valence electrons?
2
3
4
5
Which Bohr model represents Neon?
This could be the dot diagram of
Mg
Cl
C
O
This could be the dot diagram of
Mg
Cl
C
O
How many valence electrons does Nitrogen Have?
1 Valence electron
2 Valence electron
3 Valence electron
4 Valence electron
5 Valence electron
