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30 March, 11:38

Which types of orbitals are found in the principal energy level n = 2?

A. s

B. s, f

c. s, d

D. s, p

E. s, p, d

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Answers (1)
  1. 30 March, 12:03
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    D. s, p

    Explanation:

    Principle energy levels number of sublevels number of electrons

    1 1s 2n² = 2 (1) ² = 2

    2 2s 2n² = 2 (2) ² = 8

    2p

    3 3s 2n² = 2 (3) ² = 18

    3p

    3d

    when an atom has 2 energy level it has 1 sublevel (s) in 1st energy level 2 sublevels or orbitals (s ans p) in second energy.

    The total number of electrons accommodate by atoms with n=2 are 10. two electrons in 1s two electrons in 2s and six electrons in 2p.
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