Multiple Choice
Which element typically has 6 valence electrons in its outermost shell (main-group elements)?
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9. Electrons in Atoms and the Periodic Table
Valence Electrons of Elements (Simplified)
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In an atom, which type of electron is primarily available to form chemical bonds?
A
Core (inner-shell) electrons
B
Valence electrons
C
Protons
D
Neutrons
Verified step by step guidance1
Understand that electrons in an atom are arranged in different energy levels or shells around the nucleus.
Recognize that core (inner-shell) electrons are those closest to the nucleus and are generally not involved in chemical bonding because they are held tightly by the nucleus.
Identify valence electrons as the electrons in the outermost shell of an atom; these electrons have higher energy and are more loosely held.
Know that chemical bonds form when atoms share, lose, or gain electrons to achieve a more stable electron configuration, which primarily involves valence electrons.
Conclude that valence electrons are the electrons primarily available to form chemical bonds because they determine how atoms interact and bond with each other.
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