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For the energy levels in an atom, which one of the following statements is correct?
- a)There are seven principal electron energy levels
- b)The second principal energy level has four sub-energy levels and contain a maximum of eight electrons
- c)The principal energy level N can have a maximum of 32 electrons
- d)The 4s sub-energy has high energy than 3d sub-energy level
Correct answer is option 'C'. Can you explain this answer?
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For the energy levels in an atom, which one of the following statement...
Principal Energy Levels in an Atom
Explanation:
- The statement "The principal energy level N can have a maximum of 32 electrons" is correct.
- The maximum number of electrons that can occupy a principal energy level is given by the formula 2n^2, where n is the principal quantum number.
- For example, the first principal energy level (n=1) can hold a maximum of 2 electrons (2*1^2 = 2), the second level (n=2) can hold a maximum of 8 electrons (2*2^2 = 8), the third level (n=3) can hold a maximum of 18 electrons (2*3^2 = 18), and so on.
- Therefore, the maximum number of electrons that can occupy the fourth principal energy level (n=4) is 32 (2*4^2 = 32).
- The statement that there are seven principal electron energy levels is incorrect. The number of principal energy levels is infinite, but the energy difference between them becomes smaller as the principal quantum number increases.
- The second principal energy level has four sub-energy levels but can only contain a maximum of 8 electrons, not 32 as stated in the third option.
- The 4s sub-energy level actually has lower energy than the 3d sub-energy level, which is why electrons fill the 4s sub-level before the 3d sub-level in the electron configuration of atoms.
Therefore, option 'C' is the correct statement regarding the maximum number of electrons that can occupy a principal energy level in an atom.
Explanation:
- The statement "The principal energy level N can have a maximum of 32 electrons" is correct.
- The maximum number of electrons that can occupy a principal energy level is given by the formula 2n^2, where n is the principal quantum number.
- For example, the first principal energy level (n=1) can hold a maximum of 2 electrons (2*1^2 = 2), the second level (n=2) can hold a maximum of 8 electrons (2*2^2 = 8), the third level (n=3) can hold a maximum of 18 electrons (2*3^2 = 18), and so on.
- Therefore, the maximum number of electrons that can occupy the fourth principal energy level (n=4) is 32 (2*4^2 = 32).
- The statement that there are seven principal electron energy levels is incorrect. The number of principal energy levels is infinite, but the energy difference between them becomes smaller as the principal quantum number increases.
- The second principal energy level has four sub-energy levels but can only contain a maximum of 8 electrons, not 32 as stated in the third option.
- The 4s sub-energy level actually has lower energy than the 3d sub-energy level, which is why electrons fill the 4s sub-level before the 3d sub-level in the electron configuration of atoms.
Therefore, option 'C' is the correct statement regarding the maximum number of electrons that can occupy a principal energy level in an atom.
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For the energy levels in an atom, which one of the following statements is correct?a)There are seven principal electron energy levelsb)The second principal energy level has four sub-energy levels and contain a maximum of eight electronsc)The principal energy level N can have a maximum of 32 electronsd)The 4s sub-energy has high energy than 3d sub-energy levelCorrect answer is option 'C'. Can you explain this answer?
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For the energy levels in an atom, which one of the following statements is correct?a)There are seven principal electron energy levelsb)The second principal energy level has four sub-energy levels and contain a maximum of eight electronsc)The principal energy level N can have a maximum of 32 electronsd)The 4s sub-energy has high energy than 3d sub-energy levelCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about For the energy levels in an atom, which one of the following statements is correct?a)There are seven principal electron energy levelsb)The second principal energy level has four sub-energy levels and contain a maximum of eight electronsc)The principal energy level N can have a maximum of 32 electronsd)The 4s sub-energy has high energy than 3d sub-energy levelCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For the energy levels in an atom, which one of the following statements is correct?a)There are seven principal electron energy levelsb)The second principal energy level has four sub-energy levels and contain a maximum of eight electronsc)The principal energy level N can have a maximum of 32 electronsd)The 4s sub-energy has high energy than 3d sub-energy levelCorrect answer is option 'C'. Can you explain this answer?.
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