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Question

State true or false
A chloride ion is bigger than its neutral atom.
Enter 1 for True and 0 for False.

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Solution

Cl atomic number is 17 (17 electrons, 17 protons), when it gains electron then becomes Cl having 18 electrons and 17 protons. Due to excessive of the electron, electron-electron repulsion becomes dominant as compared to electron-proton attraction. Due to this repulsion, Cl size becomes larger.

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