Multiple Choice
How many valence electrons does a carbon (C) atom have?
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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 elements has eight valence electrons?
A
Na (Sodium)
B
O (Oxygen)
C
F (Fluorine)
D
Ne (Neon)
Verified step by step guidance1
Recall that valence electrons are the electrons in the outermost shell of an atom, which determine its chemical properties and bonding behavior.
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 Sodium (Na), which is in Group 1, it has 1 valence electron.
For Oxygen (O), in Group 16, it has 6 valence electrons; for Fluorine (F), in Group 17, it has 7 valence electrons.
Neon (Ne) is a noble gas in Group 18, which means it has a full outer shell with 8 valence electrons, making it the element with eight valence electrons among the options.
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