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Which of the following points are correct regarding the electronic configuration?
A. It is the arrangement of electrons in the shells of an atom.
B. It is the arrangement of electrons in the subshells.
C. It is the arrangement of electrons in the orbitals of an atom.
- a)A, B, C all three
- b)B and C only
- c)Only A
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following points are correct regarding the electronic con...
Explanation:
The electronic configuration refers to the arrangement of electrons in the shells, subshells, and orbitals of an atom. Let's discuss each statement separately to understand why only option A is correct.
A. It is the arrangement of electrons in the shells of an atom.
- This statement is correct. Shells are the energy levels or orbits around the nucleus where electrons are found. The electrons occupy these shells in a specific order, starting from the innermost shell (closest to the nucleus) and moving outwards. Each shell has a maximum number of electrons it can hold.
B. It is the arrangement of electrons in the subshells.
- This statement is not entirely correct. Subshells, also known as sublevels or energy sublevels, are present within each shell. They are labeled as s, p, d, and f. However, the arrangement of electrons is not specifically described by the electronic configuration. The electronic configuration provides information on the number of electrons in each subshell, but not their arrangement within the subshell.
C. It is the arrangement of electrons in the orbitals of an atom.
- This statement is also not entirely correct. Orbitals are specific regions within a subshell where electrons are likely to be found. Each subshell consists of one or more orbitals. However, the electronic configuration does not provide information about the arrangement of electrons within these orbitals. It only specifies the number of electrons present in each orbital.
Therefore, only option A is correct as it accurately describes the electronic configuration as the arrangement of electrons in the shells of an atom. The arrangement of electrons in subshells and orbitals is not specifically defined by the electronic configuration.
The electronic configuration refers to the arrangement of electrons in the shells, subshells, and orbitals of an atom. Let's discuss each statement separately to understand why only option A is correct.
A. It is the arrangement of electrons in the shells of an atom.
- This statement is correct. Shells are the energy levels or orbits around the nucleus where electrons are found. The electrons occupy these shells in a specific order, starting from the innermost shell (closest to the nucleus) and moving outwards. Each shell has a maximum number of electrons it can hold.
B. It is the arrangement of electrons in the subshells.
- This statement is not entirely correct. Subshells, also known as sublevels or energy sublevels, are present within each shell. They are labeled as s, p, d, and f. However, the arrangement of electrons is not specifically described by the electronic configuration. The electronic configuration provides information on the number of electrons in each subshell, but not their arrangement within the subshell.
C. It is the arrangement of electrons in the orbitals of an atom.
- This statement is also not entirely correct. Orbitals are specific regions within a subshell where electrons are likely to be found. Each subshell consists of one or more orbitals. However, the electronic configuration does not provide information about the arrangement of electrons within these orbitals. It only specifies the number of electrons present in each orbital.
Therefore, only option A is correct as it accurately describes the electronic configuration as the arrangement of electrons in the shells of an atom. The arrangement of electrons in subshells and orbitals is not specifically defined by the electronic configuration.
Community Answer
Which of the following points are correct regarding the electronic con...
The electronic configuration of an atom is the representation of the arrangement of electrons in the shell, sub-shell, and orbitals in an atom.
So A, B, C all three statements are true.
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