Question

what is the maximum number of electrons in the atom that can have the following quantum...

what is the maximum number of electrons in the atom that can have the following quantum numbers

1). n=3 and magnetic quantum= -2
2). n =4 and l=3
3). n= 5, l=3, and magnetic quantum=2
4). n=4, l=1 and magnetic quantum=0

Homework Answers

Answer #1

Question 1. n=3 means it contains 3 shells. Then its azimuthal quantum number will be 0 to n-1. That is 0 to 2. 0 for S, 1 for P. 2 for d orbital respectively. Then, magnetic quantum number m= -l to +l. (ie from -2,-1,0,1,2)

The magnetic quantum number here is -2. So it represent dxy orbital. (five orbitals are dxy,dyz,dxz,dx2-y2,dz2) So 2 electron can be filled dxy.

Question 2. n=4, l can be from 0 to n-1. So 0 (s),1 (p), 2 (d), 3 (f). here asked one is l=3 so f orbital. So total of 14 electrons can be filled f orbitals.

Question 3. n=5, l=3, m=2 So it is an f orbital., But only one f orbital from 7 f- orbitals mentioned, so again only 2 electron can be found in m=2.

Question 4. n=4, l=1, m=0. P is orbital ( l=1) and only 3 shapes are there in p orbitals. ie, Px, Py, and Pz. So if the m=0, then it will be Py orbital. So again 2 electron can be filled here.

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