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How many valence electrons does a carbon atom possess?
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10. Periodic Properties of the Elements
Valence Electrons of Elements
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How many valence electrons does chlorine (Cl) have?
A
5
B
8
C
6
D
7
Guida verificata passo dopo passo1
Identify the group number of chlorine (Cl) in the periodic table. Chlorine is in Group 17 (also known as Group VIIA).
Recall that the group number for main-group elements corresponds to the number of valence electrons for that element.
Since chlorine is in Group 17, it has 7 valence electrons.
Understand that valence electrons are the electrons in the outermost shell of an atom and are important for chemical bonding.
Therefore, chlorine has 7 valence electrons, which explains its chemical behavior and tendency to gain one electron to complete its octet.
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