I just read that Chlorine(17) is missing 1 valence electron, but the third shell can hold up to 18 electrons, so isn't it missing 11? - Quora
![Bond formation in chlorine molecule. Illustration of the sharing of electrons (dots and crosses) between two chlorine atoms (Cl) to form a molecule of Stock Photo - Alamy Bond formation in chlorine molecule. Illustration of the sharing of electrons (dots and crosses) between two chlorine atoms (Cl) to form a molecule of Stock Photo - Alamy](https://c8.alamy.com/comp/2AD3NHC/bond-formation-in-chlorine-molecule-illustration-of-the-sharing-of-electrons-dots-and-crosses-between-two-chlorine-atoms-cl-to-form-a-molecule-of-2AD3NHC.jpg)
Bond formation in chlorine molecule. Illustration of the sharing of electrons (dots and crosses) between two chlorine atoms (Cl) to form a molecule of Stock Photo - Alamy
![Cl2 Lewis Structure, - Drawing Method of Cl2 Lewis Structure, Molecular Geometry of Cl2, Polarity and Hybridisation in Cl2 molecule, with FAQs Cl2 Lewis Structure, - Drawing Method of Cl2 Lewis Structure, Molecular Geometry of Cl2, Polarity and Hybridisation in Cl2 molecule, with FAQs](https://cdn1.byjus.com/wp-content/uploads/2022/11/Lewis-Structure-of-Chlorine-Molecule.png)