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Which of the following is true about the electronic configuration of a shell with a principal quantum number of 3?
Which of the following is true about the electronic configuration of a shell with a principal quantum number of 3?
- It has three 's' orbitals and one 'p' orbital.
- It has three 's' orbitals, three 'p' orbitals, and three 'd' orbitals.
- It has five 's' orbitals and one 'p' orbital.
- It has one 's' orbital and three 'p' orbitals. (correct)
Which of the following is true about the electronic configuration of a shell with a principal quantum number of 4?
Which of the following is true about the electronic configuration of a shell with a principal quantum number of 4?
- It has one 's' orbital, three 'p' orbitals, and five 'd' orbitals. (correct)
- It has one 's' orbital, three 'p' orbitals, and seven 'f' orbitals.
- It has one 's' orbital, five 'd' orbitals, and seven 'f' orbitals.
- It has one 's' orbital, three 'p' orbitals, five 'd' orbitals, and seven 'f' orbitals.
Which of the following is true about the energy levels of different orbital types?
Which of the following is true about the energy levels of different orbital types?
- Orbital types with higher principal quantum numbers have higher energy levels.
- Orbital types with lower principal quantum numbers have higher energy levels. (correct)
- All orbital types have the same energy levels.
- The energy levels of orbital types are not related to their principal quantum numbers.
What is the maximum number of electrons that can be accommodated in a shell with a principal quantum number of 3?
What is the maximum number of electrons that can be accommodated in a shell with a principal quantum number of 3?
What is the maximum number of electrons that can be accommodated in a shell with a principal quantum number of 4?
What is the maximum number of electrons that can be accommodated in a shell with a principal quantum number of 4?
Which of the following best describes chemistry?
Which of the following best describes chemistry?
What is matter?
What is matter?
Why is chemistry sometimes called 'the central science'?
Why is chemistry sometimes called 'the central science'?
When did the study of chemistry as a rigorous scientific discipline begin?
When did the study of chemistry as a rigorous scientific discipline begin?
What did Aristotle define as the four elements?
What did Aristotle define as the four elements?
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