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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom3 Marks
Question
The chlorine atom is electrically neutral but chloride ion is charged. Explain.
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Answer

A chlorine atom contains 17 electrons and 17 protons. The charges are balanced. If a chlorine atom accept one more electron it becomes negatively charged specie called as chloride ion (Cl-), containing 18 electrons.
(If an atom gains one or more electrons, it now carries a net negative charge, and is thus "anionic").

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