Multiple Choice
How many valence electrons does aluminum (Al) have available for bonding?
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10. Periodic Properties of the Elements
Valence Electrons of Elements
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Which of the following elements has the fewest valence electrons?
A
Lithium (Li)
B
Carbon (C)
C
Oxygen (O)
D
Neon (Ne)
Verified step by step guidance1
Recall that valence electrons are the electrons in the outermost shell of an atom and determine its chemical properties.
Identify the group number of each element in the periodic table, as the group number often corresponds to the number of valence electrons for main-group elements.
For Lithium (Li), which is in Group 1, it has 1 valence electron.
For Carbon (C), in Group 14, it has 4 valence electrons; for Oxygen (O), in Group 16, it has 6 valence electrons; and for Neon (Ne), in Group 18, it has 8 valence electrons.
Compare the valence electrons of all elements and determine which has the fewest.
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