Answer :
Three subshell would exist in the s sub shell.
All feasible values of the magnetic quantum number ml for a specific value of l are equal to the number of orbitals in a given subshell.
The values of ml in our universe vary from -l to +l. Because of this, the s subshell has a single orbital, the p subshell has three, and the d subshell has five.
If ml's values fall between -l - 1 and +l + 1,
ml=1,0,+1 and s subshell (L=0)
The s subshell will therefore have three orbitals.
Quantum numbers :
These are the index numbers which are used to specify the position and energy of an electron in an atom.
Quantum numbers are the constants obtained by solving schrodinger wave equation which provide detailed address of an electron in an atom.
There are 4 quantum numbers.
The quantum numbers are the complete address of the electrons.
Learn more about quantum numbers here :
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