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FAQs on Atomic Structure (Advanced) - Practice Sheet, Class 11, Chemistry - JEE

1. What is the Bohr model of an atom?
Ans. The Bohr model is a simplified representation of an atom that describes electrons orbiting the nucleus in distinct energy levels. In this model, electrons can only occupy certain energy levels, and when they absorb or emit energy, they jump between these levels.
2. How do you calculate the energy of an electron in an atom?
Ans. The energy of an electron in an atom can be calculated using the formula E = -Rh/n^2, where E is the energy, Rh is the Rydberg constant, and n is the principal quantum number (i.e., the energy level of the electron).
3. What is an atomic orbital?
Ans. An atomic orbital is a mathematical function that describes the probability of finding an electron in a particular region of space around the nucleus of an atom. Each orbital is characterized by its energy level, shape, and orientation.
4. What is the Pauli exclusion principle?
Ans. The Pauli exclusion principle states that no two electrons in an atom can have the same set of quantum numbers. In other words, each electron must have a unique combination of its principal quantum number, angular momentum quantum number, magnetic quantum number, and spin quantum number.
5. What is electron configuration?
Ans. Electron configuration is the arrangement of electrons in an atom's energy levels or orbitals. The configuration is usually represented using a notation that lists the number of electrons in each orbital, starting with the lowest energy level and working up. The electron configuration of an atom determines its chemical and physical properties.
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