WorksheetsBohr and Lewis Models
Total questions: 20
Worksheet time: 15mins
The number of protons an element has is its?
Atomic mass
Atomic number
a.m.u
Group
What is the the outermost shell with electrons?
Shells
Isotope
Orbit
Valence
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 are the names of the 2 models that we have been using?
Bohr and Newton Structures
Lewis and Caroll Models
Bohr Model & Lewis Dot Structure
Element & Atom structures
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 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 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
What element is this?
Nitrogen
Chlorine
Argon
Phosphorous
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
Is this a correct dot diagram for magnesium (Mg)
Yes
No
