Question

How many electrons in an atom can have the following quantum numbers

n=4, l=3, ml=-3

Select one:
a. 2
b. 6
c. zero
d. 1
e. 4

Answer 1

Answer:

d. 1

Explanation:

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Answer 2

Answer:

the answer is here

Explanation:

A set of four quantum numbers is essentially the “address” of an electron in an atom. What you have given specifies one orbital in an atom and refers to a 4f orbital. You can’t determine the number of electrons in an atom from what is given.

The maximum number of electrons in the nth energy level is given by 2n². If n=4, then there are 32 electrons in the 4th energy level. Since the atom in question has electrons in the 4th energy level, then the lower energy levels are full as well.

n………..2n²

1……….. 2

2……….. 8

3……….. 18

4……….. 32

………..——-

………… 60 …….. there an be as many as 60 electrons up through the 4th energy level.