Class 9 Exam > Class 9 Videos > Science Class 9 > Quick Revision: Structure of the Atom
Quick Revision: Structure of the Atom Video Lecture | Science Class 9
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FAQs on Quick Revision: Structure of the Atom Video Lecture - Science Class 9
| 1. What is the structure of an atom? |  |
Ans. An atom consists of a nucleus containing protons and neutrons, with electrons orbiting around the nucleus.
| 2. How are protons, neutrons, and electrons arranged within an atom? | |
Ans. Protons and neutrons are located in the nucleus of an atom, while electrons are found in orbitals surrounding the nucleus.
| 3. What is the charge of a proton, neutron, and electron? | |
Ans. Protons have a positive charge, neutrons have no charge (neutral), and electrons have a negative charge.
| 4. What is the significance of the atomic number and mass number of an atom? | |
Ans. The atomic number represents the number of protons in an atom, while the mass number is the sum of protons and neutrons in the nucleus.
| 5. How do isotopes differ from each other in terms of atomic structure? | |
Ans. Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons, leading to variations in mass number.
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Nov 24, 2024 Last updated |
Video Description: Quick Revision: Structure of the Atom for Class 9 2024 is part of Science Class 9 preparation.
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