Rutherford atomic model class 9th(experiment and all pastulates)#rutherfordatomicmodel
Channel: Learn chemistry with Yasir Khan
Date: 2023-10-17

In 1911, Ernest Rutherford, a pioneering physicist, conducted the gold foil experiment, unveiling the structure of the atom. He bombarded gold foil with alpha particles and observed their scattering patterns, suggesting that most of an atom's mass and positive charge reside in a small, dense center—the nucleus. This groundbreaking discovery revolutionized our understanding of atomic structure and laid the foundation for modern nuclear physics. 🔬 #Rutherford #NucleusDiscovery #AtomicStructure #GoldFoilExperimentErnest Rutherford's atomic model, proposed in 1911, transformed our perception of atomic structure. Building upon J.J. Thomson's plum pudding model, Rutherford conducted the gold foil experiment. He directed alpha particles at a thin sheet of gold foil, expecting them to pass through or deviate slightly, consistent with Thomson's model.

However, to Rutherford's astonishment, some alpha particles deflected at wide angles or even bounced straight back. This observation led him to conclude that the majority of an atom's mass and positive charge are concentrated in a tiny, dense core—the nucleus.

The Rutherford atomic model depicted an atom as mostly empty space, with electrons orbiting the central nucleus akin to planets orbiting the sun. The nucleus, comprising protons and neutrons, was at the heart of the atom, holding most of its mass and positive charge.

This groundbreaking model paved the way for further discoveries and theories, including Niels Bohr's quantized energy levels for electrons, eventually leading to the modern understanding of atomic and subatomic structures. Rutherford's insights into the atomic nucleus were fundamental in advancing nuclear physics and chemistry, marking a pivotal moment in the scientific understanding of matter. 🔬✨ #RutherfordAtomicModel #GoldFoilExperiment #NuclearPhysics #AtomicStructure #ScientificBreakthrough

STIOCHIOMETRY CLASS 9TH LECTURE LINK:
https://youtu.be/54ymX0WwtfU?si=8oi0AxdM16tGKEkl

DALTON ATOMIC THEORY LECTURE LINK:
https://youtu.be/TfjTZ3q7hBY?si=XNUMGhRKo9LJXSm0

LIMITATIONS OF DALTON'S ATOMIC THEORY:
https://youtu.be/7E9-O-wHtCA?si=iIXEjttU8R4BM7Gi