Multiple Choice
Which element has 6 valence electrons in its outermost shell (as predicted by its group on the periodic table)?
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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
Which neutral atom has 3 valence electrons?
A
Carbon (C)
B
Oxygen (O)
C
Neon (Ne)
D
Boron (B)
Verified step by step guidance1
Understand that valence electrons are the electrons in the outermost shell of an atom, which determine its chemical properties and bonding behavior.
Recall the group number of elements in the periodic table, as elements in the same group typically have the same number of valence electrons.
Identify the element Boron (B) on the periodic table; it is in group 13 (or IIIA), which means it has 3 valence electrons.
Compare the valence electrons of the other elements listed: Carbon (C) has 4 valence electrons, Oxygen (O) has 6, and Neon (Ne) has 8 (a full outer shell).
Conclude that the neutral atom with 3 valence electrons among the options is Boron (B), based on its position in the periodic table and group number.
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