39.How many electrons in copper atom have n+l=4?

Q. How many electrons in an atom with z = 104 can have $(n+l)=8$ ?

Q. How many electrons in an atom can have $n=4,l=1$ and $m=+1$ ?

Q. How many electrons in an atom may have the following quantum numbers?

$A$: $n=4,m_s=-\frac{1}{2}$

$B$: $n=3,l=0$

Q.

How many electrons in an atom may have the following quantum numbers?
(a) n = 4, $m_s=-\frac{1}{2}$ [1 Mark]
(b) n = 3, l = 0 [1 Mark]

Q. How many electrons in an atom may have the following quantum numbers?
(a) $n=4,m_s=-1/2$
(b) $n=3,l=0$