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Index: Structure of Atom | Chemistry Class 11 - NEET PDF Download

(a) Discovery of Sub- Atomic Particle

(b) Atomic Models

(c) Developments Leading to the Bohr’s Model of an Atom

(d) Bohr’s Model for Hydrogen Atom

(e) Towards Quantum Mechanical Model of the Atom

(f) Quantum Mechanical Model of the Atom

(g) Tests and Question Docs and Summary

(h) Previous Year Questions Tests and Docs

(i) NCERT Textbook and Solutions

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FAQs on Index: Structure of Atom - Chemistry Class 11 - NEET

1. What is the structure of an atom?
Ans. The structure of an atom consists of a nucleus at the center, which contains protons and neutrons. Surrounding the nucleus are electrons, which orbit in energy levels or shells.
2. What are the components of an atom?
Ans. An atom is composed of three main components: protons, neutrons, and electrons. Protons carry a positive charge, neutrons have no charge, and electrons carry a negative charge.
3. How are protons, neutrons, and electrons arranged in an atom?
Ans. Protons and neutrons are located in the nucleus of an atom, while electrons orbit around the nucleus in specific energy levels or shells. The number of protons determines the atomic number of an element, and the number of electrons usually matches the number of protons in a neutral atom.
4. What is the significance of the nucleus in an atom?
Ans. The nucleus is the central part of an atom and contains most of its mass. It is made up of protons and neutrons, which are tightly packed together. The nucleus also carries a positive charge due to the presence of protons.
5. How do electrons determine the chemical properties of an element?
Ans. The number and arrangement of electrons in the energy levels or shells of an atom determine its chemical properties. The outermost shell, known as the valence shell, is particularly important as it determines how the atom will interact with other atoms to form chemical bonds and compounds.
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