NCERT · Class 9 · Science · Structure of the AtomWhat is the charge of an electron?
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Step-by-Step Solution
The charge of an electron is taken as negative unity, specifically -1.6 × 10^-19 Coulombs, as determined by J.J. Thomson and later precisely measured by Robert Millikan.
Detailed Options Breakdown
Option : +1.6 × 10^-19 C
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
Option 1: -1.6 × 10^-19 C (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 0 C
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
Option 3: -1 C
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
💡 Study Guide: This question tests core syllabus concepts from Structure of the Atom. For formulas, key summaries, and mock exam reference guides, read the full Structure of the Atom Revision Notes.