EASYMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryAtomic StructureIntro
The smallest and lightest positive ion obtained from hydrogen is called
0.Proton
1.Neutron
2.Positron
3.Alpha particle
Explanation
When hydrogen atom loses its only electron, it gives H⁺ ion — the proton. It is the smallest and lightest positive ion.
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