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48 questions
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- Q1What does the principal quantum number (n) represent in an atom?The size of the atomThe spin of the electronThe energy level of an electronThe shape of the orbital30s
- Q2Which quantum number describes the shape of an electron's orbital?Angular momentum quantum number (l)Magnetic quantum number (m)Spin quantum number (s)Principal quantum number (n)30s
- Q3What does the magnetic quantum number (m) tell us about an electron in an atom?The orientation of the orbital in spaceThe size of the electronThe energy of the electronThe charge of the electron30s
- Q4What is the spin quantum number (s) used to describe?The shape of the orbitalThe size of the atomThe energy level of the electronThe direction of the electron's spin30s
- Q5What is the maximum number of electrons that can occupy a single orbital?213430s
- Q6Which quantum number indicates the principal energy level of an electron?Magnetic quantum number (m)Principal quantum number (n)Spin quantum number (s)Angular momentum quantum number (l)30s
- Q7What is the relationship between the angular momentum quantum number (l) and the type of orbital?l describes the spin of the electronsl indicates the number of electrons in the orbitall determines the energy level of the orbitalDifferent values of l correspond to different types of orbitals (s, p, d, f)30s
- Q8How many different values can the magnetic quantum number (m) have for an angular momentum quantum number (l) of 2?234530s
- Q9Which of the following statements about quantum numbers is true?Quantum numbers provide a unique address for each electron in an atomQuantum numbers are only used for electrons with high energyAll electrons have the same set of quantum numbersQuantum numbers can be negative values only30s
- Q10How many possible values can the angular momentum quantum number (l) have for a given principal quantum number (n)?l can have only one valuel can have values from 0 to n-1l can have values from 1 to nl can have values from 0 to n30s
- Q11What is the maximum number of electrons that can fill the s subshell?4 electrons6 electrons2 electrons10 electrons30s
- Q12Which of the following is true about the magnetic quantum number (m)?It can have values ranging from -l to +lIt equals the spin quantum number (s)It is always positiveIt can only be 030s
- Q13What is the correct electron configuration for a carbon atom?1s² 2s² 2p⁴1s² 2s² 2p²1s² 2s¹ 2p²1s² 2s² 2p³30s
- Q14Which of the following represents the electron configuration for oxygen?1s² 2s² 2p⁴1s² 2s² 2p³1s² 2s¹ 2p⁴1s² 2s² 2p⁵30s
- Q15What is the electron configuration of a sodium (Na) atom?1s² 2s² 3s²1s² 2s² 2p⁵1s² 2s² 2p⁶ 3s¹1s² 2s² 2p⁶ 3p¹30s