Question : Which among the following will be a negative ion?
Option 1: If it has more electron than protons
Option 2: If it has more electrons than neutrons
Option 3: If it has more protons than electrons
Option 4: If it has more protons than neutrons
Correct Answer: If it has more electrons than neutrons
Solution : The correct answer is If it has more electrons than neutrons
Negative ions, or anions, arise when an atom or molecule gains one or more electrons. We call it electron gain. Certain elements are more likely to attract electrons than others due to their electron configuration and position in the periodic table. Elements having nearly whole or half-filled valence electron shells may have a high electron affinity. When these atoms come into contact with electrons, they can easily attract them, resulting in a more stable electron configuration.
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