1. Questions

AP Chemistry

Which of the following sets of quantum numbers are allowed for an electron in a hydrogen atom?
a)n=3, l=0, ml=0
b)n=4,l=1,ml=-1
c)n=2,l=1,ml=-2

  1. 👍 0
  2. 👎 0
  3. 👁 606
Nick

  1. a. n can be 3 for an excited H atom; l can be 2,1,0; ml can be 0. OK for a.

    b. n can be 4 for an excited H atom; l can be 3,2,1,0; ml can be -1,0,+1. OK for b.

    c. n can be 2 for an excited H atom. l can be 1,0. mL can be -1,0,+1 but not -2. not OK. c is out.

    1. 👍 0
    2. 👎 0
    DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n

  2. Chem HELP!!

    Which one of the following sets of quantum numbers can correctly represent a 3p orbital? a) (n = 3 l = 1, ml = 2) b)(n = 1, l = 3, ml = 3) c) (n = 3, l = 2, ml = 1) d) (n = 3, l = 1, ml = -1) e) (n = 3, l = 0, ml = 1)

  3. chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the

  4. Chemistry

    Which of the following set of quantum numbers (ordered n, ℓ, mℓ, ms) are possible for an electron in an atom? Check all that apply. -4, 3, 1, 1/2 2, 1, -2, 1/2 4, 2, 1, -1/2 4, 2, -1, -1/2 2, 4, 1, -1/2 5, 3, -3, 1/2 5, 3, 4,

  1. Chemistry

    For each electron in a ground-state Be atom, select the set of quantum numbers that represents it. Check all that apply. n=1 l=0 ml=-1 ms= +1/2 n=1 l=0 ml=0 ms=-1/2 n=2 l=1 ml=0 ms= -1/2 n=1 l=0 ml=0 ms=+1/2 n=2 l=1 ml=1 ms=+1/2

  2. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the

  3. chemistry

    which of the following is a correct set of quantum numbers for an electron in a 5f

  4. chemistry

    Which of the following sets of quantum numbers are not allowed. For each incorrect set, state why it is incorrect. For each correct set, name the atomic orbital. i. n=4, l=3, ml =2, ms =-1/2 ii. n=2, l=1, ml =-1, ms =-1 iii. n=5,

  1. Chemistry

    What? If anything, is wrong with the following sets of quantum numbers. a. n = 2, l = 2, ml = 0, ms = +1/2 b. n = 0, l = 0, ml = 0, ms = -1/2 c. n = 3, l = 2, ml = -2, ms = +1/2 d. n = 4, l = 2, ml = 2, ms = -1/2

  2. chemistry

    Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum

  3. chemistry

    Which statement describes the principal quantum number (n)? A. The quantum number that indicates the subshell occupied by an electron B. The quantum number that indicates the energy level of the electron C. A subdivision of an

  4. chemistry

    Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.

You can view more similar questions or ask a new question.