Chemistry Assignment Help >> Atomic Structure Assignment Help

Atoms are made of three fundamental particles, Electron, Proton, and Neutron. These fundamental particles differ in charge and mass.

Electron: Symbol: e / e-1
Relative Mass: 1/1836
Relative Charge -1

Proton: Symbol: P
Relative Mass: 1
Relative charge: + 1

Neutron: Symbol n
Relative Mass: 1
Relative Charge: 0

Atomic Mass Unit (amu): 1/12th mass of individual atom of  ₆ C¹² . The neutron and proton have equal masses 1amu and electron is lighter around 1836 times.

Atomic structure deals with study of atom, electron, proton and neutron and particles, the properties of atoms and their applications. It describes the terms involved with atom and small particles.

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Topics Covered under Atomic Structure Chemistry

Introduction to Atomic Structure
Fundamental Particles
Discovery of Electrons: Cathode Rays
Determination of Velocity & charge/Mass ratio of electron
Millikan’s Drop Method (Charge Determination in electron)
Discovery of Proton: Positive Rays or Canal Rays
Discovery of Neutron
Atomic Terms
Atomic Models
Thomson’s Model
Rutherford’s Model
Alpha Scattering Experiment
Defects in Rutherford’s Model
Characteristics of Waves
Electronic Magnetic Radiation
Atomic Spectrum
Planck’s Quantum Theory
Bohr’s Atomic Model
Hydrogen Atom: Radius and Energy Levels
Calculation of Energy in Electron
Quantum Numbers
Pauli’s Exclusion Principle:
Shapes and Size of Orbital
Rules of filling Electrons in Orbitals
Hund’s Rule of Maximum Multiplicity
Electronic Configuration of Elements
DUAL CHARACTER (PARTICLE AND WAVE CHARACTER OF MATTER AND RADIATION)
Derivation of de-Broglie Equation
Relation Between Kinetic Energy and Wavelength
Derivation of Angular Momentum from de Broglie Equation:
HEISENBERG’S UNCERTAINTY PRINCIPLE
QUANTUM MECHANICAL MODEL OF ATOM
Photoelectric Effect