Quantum number is address of an electro...

Quantum number is address of an electron in amy atom . They are of four types :
(A) Principal quantum number (n)
(b) Azimuthal quantum number (l)
(c ) Magnetic quantum number (m)
(d) spin quantum number (s)
prinicial quantum tells us the number of shells . Azimuthal quantum number tells is the name o f sub - shell ./ FOr s,p,f:l = 0,1,2,3 respectively .Magnetic quantum number represents the orientation of sub shell and spn wuantum number repesents the quantum spin states .
which opition is not correct accoding to quantam number ?

`n=2,l=0,m=0,s=-(1)/(2)`

`n=1,l=1,m=0,s=-(1)/(2)`

`n=2,l=1,m=0,s=+(1)/(2)`

`n=3,l=2,m=0,s=-(1)/(2)`

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The correct Answer is:

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Quantum number is address of an electron in amy atom . They are of four types : (A) Principal quantum number (n) (b) Azimuthal quantum number (l) (c ) Magnetic quantum number (m) (d) spin quantum number (s) prinicial quantum tells us the number of shells . Azimuthal quantum number tells is the name o f sub - shell ./ FOr s,p,f:l = 0,1,2,3 respectively .Magnetic quantum number represents the orientation of sub shell and spn wuantum number repesents the quantum spin states . Elemetn A has principal quantum number 2 for last electron and it has 3 electrons in valence shell and element B has prinvipal quantum number 3 for last electron and it has 7 electrons in avalence shell . the single central atom ) will be :

`120^(@)`

`90^(@)`

`180^(@)`

`60^(@)`

`e//m` ratio of electron

spin of electron

angular momentum of electron

magnetic momentum of electronic

size

spin

orientation

angular momentum of orbitals