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Question
How many electrons are present in the kernel of Cl?
How many electrons are present in the kernel of Cl?
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Solution
The correct option is B 10
Cl has an atomic number of 17. Thus, it should have 7 electrons in its outermost shell.
7 of them are shown in the valence shell of Lewis structure.
The valence shell is the outermost shell (that includes electrons) in terms of the shell energy. The kernel electrons are the electrons in the shells "inside" the valence shell.
∴ The kernel should have 10 electrons.
10
Cl has an atomic number of 17. Thus, it should have 7 electrons in its outermost shell.
7 of them are shown in the valence shell of Lewis structure.
The valence shell is the outermost shell (that includes electrons) in terms of the shell energy. The kernel electrons are the electrons in the shells "inside" the valence shell.
∴ The kernel should have 10 electrons.
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