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WorksheetsValence Electrons/Electron Shells/Lewis Dot Diagrams
Total questions: 23
Worksheet time: 12mins
Where is Calcium located on the periodic table?
Group 4A, period 2
Group 2A, period 4
Group 7A, period 2
Group 2A, period 7
Valence Electrons are the electrons located where?
The outer shell of an atom
The inner shell of an atom
The nucleus of an atom
In all of the shells of an atom
How many valence electrons are in the atom shown in the picture?
2
3
5
Based on the number of shells and valence electrons, which element is pictured?
Nitrogen
Indium
Arsenic
Phosphorous
How many electron shells are in an atom of Carbon?
1
2
3
4
How many electron shells are in an atom of Argon?
1
2
3
4
What is the ONLY element in column 8A that does NOT have 8 valence electrons?
Helium
Neon
Argon
Krypton
Elements that are in the same GROUP on the periodic table always have the same number of
Protons
Neutrons
Electrons
Valence Electrons
Electron Shells
Elements that are in the same PERIOD on the periodic table always have the same number of
Protons
Neutrons
Electrons
Valence Electrons
Electron Shells
The greatest number of VALENCE electrons that any element could have is
2
7
8
16
118
Which element is shown in the picture based on the number of valence electrons and electron shells? (this one is a bit more tricky because it is an exception to the rule)
Hydrogen
Helium
Magnesium
Beryllium
Which element is shown in the picture based on the number of valence electrons and electron shells?
Boron
Aluminum
Gallium
Calcium
The Lewis Dot Diagram pattern shown in the picture could be used for which element?
Lithium
Boron
Carbon
Oxygen
The Lewis Dot Diagram pattern shown in the picture could be used for which element?
Lithium
Boron
Carbon
Oxygen
The Lewis Dot Diagram pattern shown in the picture could be used for which element?
Sodium
Aluminum
Chlorine
Argon
How many valence electrons are in the atom shown in the picture?
2
8
6
How many valence electrons are in an atom of Silicon (Si)?
4
3
14
8
How many valence electrons are in an atom of Potassium (K)?
5
19
1
8
Which of the following is the correct way to draw the Lewis dot diagram for Chlorine?
On the periodic table, the horizontal rows are called ___ and the vertical columns are called ___
period, groups
groups, periods
Every element in period 3 on the periodic table has 3...
atoms
electrons
valence electrons
electron shells
Every element in group 5 on the periodic table has 5...
atoms
electrons
valence electrons
electron shells
The element in the picture is located in which period on the periodic table?
Period 2
Period 20
Period 4
Period 8
