

Valence Electrons and Reactivity
Interactive Video
•
Science, Chemistry, Physics
•
7th - 8th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the reactivity of an atom?
The number of protons
The number of valence electrons
The number of neutrons
The atomic mass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many energy levels does neon have?
Four
Three
Two
One
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum number of electrons that can be held in the outer shell of an atom?
Six
Nine
Eight
Seven
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom is considered stable when it has how many valence electrons?
One
Four
Six
Eight
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following indicates a reactive element?
Eight valence electrons
Four valence electrons
Zero valence electrons
One or seven valence electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does chlorine have?
Eight
Six
Five
Seven
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does having seven valence electrons mean for an element's reactivity?
It is reactive
It is inert
It is neutral
It is stable
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