Multiple Choice
How many valence electrons does argon (Ar) have?
40
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10. Periodic Properties of the Elements
Valence Electrons of Elements
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Where are valence electrons located in an atom?
A
In the outermost electron shell
B
In the innermost electron shell
C
In the nucleus
D
Between the protons and neutrons
Verified step by step guidance1
Understand that electrons in an atom are arranged in energy levels or shells around the nucleus.
Recognize that valence electrons are the electrons involved in chemical bonding and reactions.
Identify that valence electrons are located in the outermost electron shell of an atom, which is the highest energy level occupied by electrons.
Note that the innermost electron shells contain core electrons, which do not typically participate in bonding.
Conclude that valence electrons are not found in the nucleus or between protons and neutrons, but specifically in the outermost electron shell.
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