1) If n = 1, what will be the value of ℓ? a) - 1 b) 0 c) 1 d) 2 2) Which of the following describes the size and energy of the orbital a) spin quantum number b) principal quantum number c) magnetic quantum number d) angular momentum quantum number 3) Which among the following correctly describes the orbital if ℓ = 1 a) s - orbital b) p - orbital c) d - orbital d) f - orbital 4) If n = 2 and ℓ = 1, what are the possible values of mℓ? a) 0 , 1 , 2 b) - 2, -1, 0, +1, +2 c) - 1, 0, +1 d) -2, -1, 0 5) Among the quantum numbers, which of the following describes the orientation of the orbital sound around the nucleus? a) spin quantum number b) principal quantum number c) magnetic quantum number d) angular momentum quantum number

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