Mass of a negative ion is slightly greater than its neutral form.Reason (R): Neutral entity becomes negatively charged when electrons are added to it.In the light of the above statements, choose the most appropriate answer from the options given below.Both (A) and (R) are true and (R) is the correct explanation of (A)Both (A) and (R) are true but (R) is not the correct explanation of (A)(A) is true but (R) is falseBoth (A) and (R) are fals
Question
Mass of a negative ion is slightly greater than its neutral form.Reason (R): Neutral entity becomes negatively charged when electrons are added to it.In the light of the above statements, choose the most appropriate answer from the options given below.Both (A) and (R) are true and (R) is the correct explanation of (A)Both (A) and (R) are true but (R) is not the correct explanation of (A)(A) is true but (R) is falseBoth (A) and (R) are fals
Solution
Both (A) and (R) are true and (R) is the correct explanation of (A)
This is because the mass of an ion is determined by the number of protons and neutrons it has, which are far more massive than electrons. When an electron is added to a neutral atom to form a negative ion, the mass of the ion increases slightly because of the added electron. Therefore, the statement (A) is true.
The reason (R) is also true because a neutral atom becomes a negative ion by gaining one or more electrons. This is the process of ionization where an atom or a molecule acquires a negative or positive charge by gaining or losing electrons.
And indeed, (R) is the correct explanation of (A) because the addition of electrons to a neutral entity, making it negatively charged, is what causes the slight increase in mass.
Similar Questions
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