Multiple Choice
Which part of an atom is primarily involved in chemical bonding with other atoms?
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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 role of valence electrons in atoms?
A
Valence electrons are found only in the nucleus of an atom.
B
Valence electrons are responsible for the atomic mass of an element.
C
Valence electrons control the number of protons in an atom.
D
Valence electrons determine the chemical reactivity and bonding behavior of atoms.
Verified step by step guidance1
Understand that valence electrons are the electrons located in the outermost shell (energy level) of an atom.
Recall that valence electrons are not found in the nucleus; the nucleus contains protons and neutrons.
Recognize that atomic mass is primarily determined by the number of protons and neutrons, not electrons.
Know that the number of protons defines the element and is not controlled by valence electrons.
Conclude that valence electrons are crucial because they determine how an atom interacts chemically with other atoms, influencing bonding and reactivity.
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