Measurement of Matter — Formula Sheet
Maharashtra Board · Class 9 · Science
3 formulas from Measurement of Matter (Maharashtra Board Class 9 Science) on one page, grouped by topic. Covers Laws of Chemical Combination, Atomic.
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Formulas and Key Relations
Key relations
Atomic radius is measured in nanometers (1 nm = 10⁻⁹ m).
Initially, hydrogen was used as reference (mass = 1), but now carbon-12 is the standard (mass = 12).
For example, H₂O has molecular mass = (1×2) + (16×1) = 18u.
Full sheet with units and worked examples
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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