An electron in an atom is inthen 3 quantum level.a)List the possible values of l,and mithatitcan have, and b) determine the number of orbitals and electrons and c)write the unique quantunm address for each of the electrons in the 3p orbital. (3 pts)
Solution
a)
l can take all values from 0 to n-1
So,
l can be 0, 1, 2
for l=0,
ml can be 0
for l=1,
ml can be -1, 0, +1
for l=2,
ml can be -2, -1, 0, +1, +2
b)
for given n,
number of orbitals = n^2
= 3^2
= 9
each orbital can have 2 electrons
So,
number of electrons = 2*9
= 18
Answer:
9 orbitals
18 electrons
c)
for 3p orbital, n=3 and l=1
ml can be -1,0, 1
So, possible values are:
3, 1, -1, +1/2
3, 1, -1, -1/2
3, 1, 0, +1/2
3, 1, 0, -1/2
3, 1, +1, +1/2
3, 1, +1, -1/2
.
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An electron in an atom is inthen 3 quantum level-a)List the possible v.docx
1. An electron in an atom is inthen 3 quantum level.a)List the possible values of l,and mithatitcan
have, and b) determine the number of orbitals and electrons and c)write the unique quantunm
address for each of the electrons in the 3p orbital. (3 pts)
Solution
a)
l can take all values from 0 to n-1
So,
l can be 0, 1, 2
for l=0,
ml can be 0
for l=1,
ml can be -1, 0, +1
for l=2,
ml can be -2, -1, 0, +1, +2
b)
for given n,
number of orbitals = n^2
= 3^2
= 9
2. each orbital can have 2 electrons
So,
number of electrons = 2*9
= 18
Answer:
9 orbitals
18 electrons
c)
for 3p orbital, n=3 and l=1
ml can be -1,0, 1
So, possible values are:
3, 1, -1, +1/2
3, 1, -1, -1/2
3, 1, 0, +1/2
3, 1, 0, -1/2
3, 1, +1, +1/2
3, 1, +1, -1/2
