MP Board · Class 10 · Science · Periodic Classification of ElementsWho discovered the modern periodic law based on atomic number?
Step-by-Step Solution
Henry Moseley discovered the modern periodic law in 1913, showing that atomic number is a more fundamental property of an element than its atomic mass.
Detailed Options Breakdown
Option : Dmitri Mendeleev
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
Option 1: Henry Moseley (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: John Newlands
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
Option 3: Niels Bohr
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
💡 Study Guide: This question tests core syllabus concepts from Periodic Classification of Elements. For formulas, key summaries, and mock exam reference guides, read the full Periodic Classification of Elements Revision Notes.