Multiple Choice
What are the valence electrons in an atom primarily responsible for?
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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
Which of the following best describes the significance of valence electrons in an atom?
A
Valence electrons determine the atomic mass of an element.
B
Valence electrons are found only in the nucleus of an atom.
C
Valence electrons are responsible for the color of an element.
D
Valence electrons determine the chemical reactivity and bonding behavior of an element.
Verified step by step guidance1
Understand that valence electrons are the electrons located in the outermost shell (energy level) of an atom.
Recognize that these valence electrons are the ones involved in forming chemical bonds with other atoms.
Recall that the number and arrangement of valence electrons influence how an element reacts chemically, including its ability to gain, lose, or share electrons.
Note that valence electrons do not determine atomic mass, which depends on protons and neutrons in the nucleus, nor are they found in the nucleus.
Conclude that valence electrons are crucial because they determine the chemical reactivity and bonding behavior of an element.
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