The chloride ion has eight valence electrons.
The chloride ion (Cl-) has 8 electrons on the outermost energy level.
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Carbon has four electrons in the outermost energy level, which is energy level two. It needs eight electrons to have this energy level filled.
The chloride ion in table salt has 8 electrons in its outermost energy level. This is because it has gained an extra electron to achieve a full octet of 8 electrons, making it a stable, negatively charged ion.
Aluminum has 3 electrons in its outermost energy level.
valence electrons are the electrons in the outermost energy level
Halogens have six valence electrons in the outermost energy level.
There are 8 electrons in the outermost energy level of a chloride ion (Cl-) in table salt. This is because chlorine has 7 electrons in its neutral state, and when it gains an electron to become Cl-, it has a full outer shell with 8 electrons.