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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom2 Marks
Question
How does an electron differ from a neutron?
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Answer

Electron has relative charge of $-1u$ whereas neutron has no relative charge. Also, electron has relative mass of $\frac{1}{1840\text{u}}$ and neutron has relative mass of $1u$.

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