Atomic Structure

Formulas are organized based on their importance in the CAT exam.
1 Heisenberg Uncertainty Principle
2 Energy of a Photon
3 Atomic Composition of an Ion
4 Energy of Electron in nth Orbit (Hydrogen-like)
5 Moseley's Law for X-rays
6 Velocity of Electron in nth Orbit
7 Rydberg Equation in Terms of Wavelength
8 Maximum Number of Electrons in a Shell
9 Quantum Numbers
10 Number of Orbitals in a Subshell
11 Orbitals per Subshell
12 Velocity of Light
13 Shielding Effect
14
15 Mass of Electron
16 Number of Subshells in a Shell
17 Electromagnetic Radiation Energy
18 Penetration Order of Orbitals
19 Energy in Terms of Wavelength
20 Wave Number
21 de Broglie Equation
22 Number of Orbitals in a Shell
23 Stability of Half-filled and Fully-filled Orbitals
24 Simplified Bohr Orbit Radius
25 Photoelectric Effect Equation
26 Number of Electrons in Ion
27 Number of Spectral Lines
28 Heisenberg Uncertainty Principle
29
30 Energy of Electron in nth Orbit
31 Bohr Radius for Hydrogen-like Atom
32 Relation Between Frequency and Wavelength
33 Balmer Series
34 Velocity Dependence on Atomic Number
35 Ionization Energy of Hydrogen-like Species
36 Bohr's Angular Momentum Quantization
37 Number of Electrons in Neutral Atom
38
39 Time Period of Electron Revolution
40 Momentum of Particle
41 Bohr's Frequency of Revolution
42 Number of Neutrons
43 Aufbau Principle
44 Paschen Series
45 Azimuthal Quantum Number
46 Radius of nth Bohr Orbit
47
48 Hydrogen Spectrum Series
49 Mass Number
50
51 Pauli Exclusion Principle
52 Atomic Number
53 Bohr Energy Equation
54 Brackett Series
55 Energy Difference Between Two Orbits
56 de Broglie Wavelength
57 Magnetic Quantum Number
58 Charge on Electron
59 Radius Dependence on Atomic Number
60 de Broglie Equation Using Momentum
61 Maximum Electrons in a Shell
62 Quantum Numbers Summary
63 Bohr's Angular Momentum Quantization
64 Photoelectric Equation
65 Rydberg Equation
66 Pfund Series
67 Rydberg Formula for Hydrogen-like Atoms
68 Hund's Rule of Maximum Multiplicity
69 Shell Distribution of Electrons
70 Spin Quantum Number
71 Energy Change and Wavelength Relation
72 Orbitals per Shell
73 Maximum Number of Electrons in a Subshell