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Ions and Radicals

Chlorine has ...

Question

Chlorine has 7 electrons in its orbit, the ion it forms to get stable is___ .

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Solution

$C l^{-}$ is formed when it Cl gains 1 electron to become stable and thus is a univalent anion.

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Chlorine has 7 electrons in its outermost orbit, so the ion that it forms to get stable is ___ charged.

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Q. Assertion :Octet rule is obeyed in the formation of sodium chloride. Reason: According to octet rule, the sodium atom which has only single electron in outermost shell , looses the electron to get a stable configuration like Ne gas, while the chlorine gas with 7 valence electrons gains an electron from the Na atom to obtain an stable configuration like Ar gas.

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