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WorksheetsLewis Dot & Valence Electrons Practice
Total questions: 22
Worksheet time: 32mins
USE THE PERIODIC TABLE
How many valence electrons does carbon have?
4
12
6
14
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
USE THE PERIODIC TABLE
Find the element that has 3 Valence Electrons and 2 energy levels.
Magnesium - Mg
Lithium - Li
Aluminum - Al
Boron - B
USE THE PERIODIC TABLE
Find the element that has 5 Valence Electrons and 4 energy levels.
Arsenic - As
Selenium - Se
Calcium - Ca
Vanadium - V
Is this the correct Lewis Dot Structure for Boron?
Yes
No, missing electrons
No, too many electrons
No, dots are in wrong place.
This could be the dot diagram of
Mg
Cl
C
O
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.
How many valence electrons should Magnesium have in its Lewis dot model?
1
2
3
4
This is a correct dot diagram for neon (Ne)
true
false
This is a correct dot diagram for carbon (C)
true
false
Which ones are acceptable?
Which of these is incorrect?
