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The Aufbau principle states : In the ground state of the atoms, the orbitals are filled in order of
- a)their increasing energies
- b)their decreasing energies
- c)their decreasing radius
- d)their increasing radius
Correct answer is option 'A'. Can you explain this answer?
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The Aufbau principle states : In the ground state of the atoms, the or...
According to Aufbau rule electrons are filled in increasing order of energy.
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The Aufbau principle states : In the ground state of the atoms, the or...
Explanation:
The Aufbau principle is a fundamental principle in the study of atomic structure. It states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals. The order in which the electrons occupy the orbitals is determined by the increasing order of their energies.
The principle can be understood by considering the electronic configuration of an atom. The electronic configuration of an atom is the arrangement of its electrons in the various energy levels or orbitals. The electronic configuration of an atom is determined by the number of electrons it has.
The Aufbau principle can be explained using the following points:
1. Definition of the Aufbau principle: The Aufbau principle states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals.
2. Ground state of an atom: The ground state of an atom is its lowest energy state. In the ground state, the electrons occupy the lowest energy orbitals first before occupying higher energy orbitals.
3. Filling order of orbitals: The orbitals are filled in order of their increasing energies. This means that the electrons occupy the lowest energy orbital first and then move to the next highest energy orbital.
4. Energy levels of orbitals: The energy levels of the orbitals increase as the distance from the nucleus increases. Therefore, the orbitals closest to the nucleus have the lowest energy levels, while those farthest from the nucleus have the highest energy levels.
5. Electronic configuration of an atom: The electronic configuration of an atom is the arrangement of its electrons in the various energy levels or orbitals. The electronic configuration of an atom is determined by the number of electrons it has.
6. Example: For example, the electronic configuration of nitrogen (atomic number 7) is 1s2 2s2 2p3. In this configuration, the two electrons occupy the 1s orbital, the next two electrons occupy the 2s orbital, and the last three electrons occupy the 2p orbital.
Conclusion:
The Aufbau principle is a fundamental principle in the study of atomic structure. It states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals. The order in which the electrons occupy the orbitals is determined by the increasing order of their energies.
The Aufbau principle is a fundamental principle in the study of atomic structure. It states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals. The order in which the electrons occupy the orbitals is determined by the increasing order of their energies.
The principle can be understood by considering the electronic configuration of an atom. The electronic configuration of an atom is the arrangement of its electrons in the various energy levels or orbitals. The electronic configuration of an atom is determined by the number of electrons it has.
The Aufbau principle can be explained using the following points:
1. Definition of the Aufbau principle: The Aufbau principle states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals.
2. Ground state of an atom: The ground state of an atom is its lowest energy state. In the ground state, the electrons occupy the lowest energy orbitals first before occupying higher energy orbitals.
3. Filling order of orbitals: The orbitals are filled in order of their increasing energies. This means that the electrons occupy the lowest energy orbital first and then move to the next highest energy orbital.
4. Energy levels of orbitals: The energy levels of the orbitals increase as the distance from the nucleus increases. Therefore, the orbitals closest to the nucleus have the lowest energy levels, while those farthest from the nucleus have the highest energy levels.
5. Electronic configuration of an atom: The electronic configuration of an atom is the arrangement of its electrons in the various energy levels or orbitals. The electronic configuration of an atom is determined by the number of electrons it has.
6. Example: For example, the electronic configuration of nitrogen (atomic number 7) is 1s2 2s2 2p3. In this configuration, the two electrons occupy the 1s orbital, the next two electrons occupy the 2s orbital, and the last three electrons occupy the 2p orbital.
Conclusion:
The Aufbau principle is a fundamental principle in the study of atomic structure. It states that the electrons in an atom occupy the lowest energy orbitals first before occupying higher energy orbitals. The order in which the electrons occupy the orbitals is determined by the increasing order of their energies.
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The Aufbau principle states : In the ground state of the atoms, the or...
Electrons are filled from lower energy levels to higher energy levels., i.e.in their increasing energies ..
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The Aufbau principle states : In the ground state of the atoms, the orbitals are filled in order ofa)their increasing energiesb)their decreasing energiesc)their decreasing radiusd)their increasing radiusCorrect answer is option 'A'. Can you explain this answer?
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