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Class 11 Chemistry: Structure of Atom Formulas (PDF) — All Important Formulas Free

Free class 11 chemistry: structure of atom formulas — all 6 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams, JEE & NEET. No signup.

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TL;DR: Free class 11 chemistry: structure of atom formulas — all 6 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams, J…

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Jun 25, 2026

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All Structure of Atom formulas for Class 11 Chemistry (CBSE / NCERT) on one page — fast revision for board exams, JEE & NEET. 100% free, no login, download as PDF.

Structure of Atom — Key Formulas

FormulaExpression
Bohr's Model EnergyE_n = −13.6/n² eV
Bohr Radiusa₀ = 0.529 Å (Angstroms)
Frequency of Photonν = ΔE/h
Wavelength of Lightλ = c/ν
de Broglie Wavelengthλ = h/(mv)
Planck's Constanth = 6.626 × 10⁻³⁴ J·s

FAQs

What are the most important Structure of Atom formulas for Class 11?

This sheet lists all 6 key Structure of Atom formulas from the Class 11 Chemistry CBSE/NCERT syllabus, ready for quick revision.

Is this Structure of Atom formula sheet free to download?

Yes — every Syllab.in formula sheet is 100% free, needs no login, and can be saved as a PDF.

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