Discovered by J.J. Thomson via cathode ray tube experiments. These are negatively charged particles with negligible mass.
States that it is impossible to determine both the exact position and momentum of an electron simultaneously. Quantum Mechanical Model and Quantum Numbers structure of atom class 11 ncert pdf download
To prepare for your exams effectively, you can download the official directly from the NCERT website or through reputable educational portals to ensure you have the most updated curriculum. If you'd like to dive deeper into a specific area: Discovered by J
Electrons fill lower-energy orbitals first. structure of atom class 11 ncert pdf download