
Valence Electrons and Chemical Bonds

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes valence electrons unique compared to other electrons in an atom?
They are always paired.
They participate in chemical reactions.
They are responsible for the atom's mass.
They are found in the innermost energy level.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of Lewis structures in chemistry?
To calculate atomic mass.
To visualize valence electrons.
To determine the number of protons.
To measure atomic radius.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does a carbon atom have?
Two
Four
Six
Eight
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Lewis structure, what does each dot around an atom's symbol represent?
A neutron
A proton
A valence electron
An atomic bond
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of valence electrons in an oxygen atom?
Seven
Six
Five
Four
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the octet rule, how many valence electrons do most atoms seek to achieve for stability?
Eight
Six
Four
Two
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason atoms form chemical bonds?
To become radioactive
To change their atomic number
To achieve a stable electron configuration
To increase their mass
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