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Questions and Answers
What is the name of the principle that states an electron occupies the lowest-energy orbital that can receive it?
What is the name of the principle that states an electron occupies the lowest-energy orbital that can receive it?
- Pauli Exclusion Principle
- Hund's Rule
- Heisenberg's Uncertainty Principle
- Aufbau Principle (correct)
Which atomic model is also known as the 'Cloud Model'?
Which atomic model is also known as the 'Cloud Model'?
- Schrodinger's Atomic Model (correct)
- Rutherford's Nuclear Model
- Bohr Model
- Thomson Model
Which scientist proposed the model of the atom where electrons are arranged in specific energy levels and orbitals?
Which scientist proposed the model of the atom where electrons are arranged in specific energy levels and orbitals?
- Bohr (correct)
- Schrodinger
- Rutherford
- Thomson
What is the name of the principle that states no two electrons in the same atom can have the same set of four quantum numbers?
What is the name of the principle that states no two electrons in the same atom can have the same set of four quantum numbers?
Which scientist proposed the model of the atom with a dense, positively charged nucleus and electrons moving around it in specific orbits?
Which scientist proposed the model of the atom with a dense, positively charged nucleus and electrons moving around it in specific orbits?
Flashcards
Aufbau Principle
Aufbau Principle
Electrons fill the lowest energy levels first.
Schrodinger's Atomic Model
Schrodinger's Atomic Model
Atomic model representing electrons as clouds of probability.
Bohr's Atomic Model
Bohr's Atomic Model
Electrons orbit nucleus in discrete energy levels.
Pauli Exclusion Principle
Pauli Exclusion Principle
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Rutherford's Atomic Model
Rutherford's Atomic Model
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Study Notes
Atomic Principles and Models
- The Aufbau principle states that an electron occupies the lowest-energy orbital that can receive it.
Atomic Models
- The 'Cloud Model' is another name for the Quantum Mechanical Model.
Scientists and Their Contributions
- Niels Bohr proposed the model of the atom where electrons are arranged in specific energy levels and orbitals.
- The Pauli Exclusion Principle states that no two electrons in the same atom can have the same set of four quantum numbers.
Atomic Structure
- The Rutherford Model, proposed by Ernest Rutherford, describes the atom as having a dense, positively charged nucleus and electrons moving around it in specific orbits.
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