Chemistry Exam > Chemistry Videos > Physical Chemistry > PYQs: Atomic Structure
PYQs: Atomic Structure Video Lecture | Physical Chemistry
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FAQs on PYQs: Atomic Structure Video Lecture - Physical Chemistry
| 1. What is atomic structure? |  |
Ans. Atomic structure refers to the arrangement and organization of subatomic particles within an atom. It includes the nucleus, which consists of protons and neutrons, and the electron cloud, which surrounds the nucleus and contains the electrons.
| 2. How are protons and neutrons different from electrons in atomic structure? | |
Ans. Protons and neutrons are located in the nucleus of an atom and have a relatively large mass compared to electrons, which are found in the electron cloud. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.
| 3. Why is the atomic number important in atomic structure? | |
Ans. The atomic number of an element corresponds to the number of protons in the nucleus of an atom. It is a crucial characteristic of an element as it determines its identity. Elements with different atomic numbers have distinct chemical properties and behave differently in reactions.
| 4. How are energy levels and electron shells related in atomic structure? | |
Ans. Energy levels and electron shells are closely related in atomic structure. An energy level represents a specific amount of energy that an electron can have within an atom, while an electron shell refers to the region around the nucleus where electrons are most likely to be found. Each energy level can contain a certain number of electron shells, with each shell accommodating a specific number of electrons.
| 5. Can electrons move between energy levels in atomic structure? | |
Ans. Yes, electrons can move between energy levels in atomic structure. When an electron absorbs or emits energy, it can transition from one energy level to another. This movement of electrons between energy levels is responsible for the emission and absorption of light by atoms, which is a fundamental process in the study of atomic structure.
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Nov 22, 2024 Last updated |
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