Quantum numbers arise naturally from the mathematics used to describe the possib

Question

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 strict quantum number (l), the magnetic quantum number (mr), and the spin quantum number (ms) have rules which govern the possible values. Identify allowable combinations of quantum numbers for an electron Select all that apply. 2, mr 0, ms +1/2 n 3, t 1/2 n 4, t 3, mi 4, mst n- 3, 3, mt 0, ms- +1/22 in 5, 3, mi 3, ms -1/2 n 3, 2, mi 0, ms 1/2 n 2, 1, m- 1, ms- 1

Explanation / Answer

The correct answer is Option D and Option E

D = (n=5,l=3,ml=-3,ms=-1/2)

E = (n=3,l=2,ml=0,ms=-1/2)

Option A is false, since l can't be negative number

Option B is false, since ml can't be greater than l

Option C is false, since l maximum value is equal to (n-1) and in this case, it is equal to n

Option F is false, since ms can be either +1/2 or -1/2, it can never be 1

Q2)

b) n=4,l=1 (it represent 4p orbital)

Hence number of electrons will be 6

c) n=6,l=3,ml=-1

There will be only two electrons in this case, one with +1/2 spin and other with -1/2 spin

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