Question

Which of the following quantum number combinations is not allowed in a ground-state atom?

(7, 4, -2, -½)

(2, 1, 1, -½)

(3, 2, 3, +½)

(3, 0, 0, +½)

Answer 1

@Abhisar i don't know how to do this

Answer 2

u remember the trick to calculate \(\huge\ m_l\) i taught u last time ?

Answer 3

a formula?

Answer 4

yes

Answer 5

0 to (n-1)

Answer 6

no that is for calculating l

Answer 7

oh oopps. idk:(

Answer 8

ohkay...lets understand it once again

Answer 9

this time pay attention..ok ?

Answer 10

if u want i can give u answers straight away....but that will not be of much use

Answer 11

ok i was but I have so much to study I forget :/

Answer 12

can u just give me the formula

Answer 13

yes i will, but actually there is no xact formula

Answer 14

ok

Answer 15

First see thi
http://prntscr.com/3xl1sw

Answer 16

*this

Answer 17

got it ?

Answer 18

yep haha thanks!

Answer 19

wait !

Answer 20

it's not over :D

Answer 21

now u know which one is called what. U have to check now if the value given is correct or not ?

Answer 22

getting something ?

Answer 23

if n is given then,
l ranges from 0 to n-1
now for each l,
m\(_l\) ranges from -l to l

Answer 24

okay

Answer 25

Now check \(\huge\ m_l\) given in the third option. it is incorrect !

Answer 26

yeah it is

Answer 27

So third option is the answer !

Answer 28

ok :) thanks you!

Answer 29

\(\color{red}{\huge\bigstar}\huge\text{You're Most Welcome! }\color{red}\bigstar\)
\(~~~~~~~~~~~~~~~~~~~~~~~~~~~\color{green}{\huge\ddot\smile}\color{blue}{\huge\ddot\smile}\color{pink}{\huge\ddot\smile}\color{red}{\huge\ddot\smile}\color{yellow}{\huge\ddot\smile}\)