Give two possible sets of four quantum numbers for the electron in hydrogen when it is in its lowest energy state.

The electron in the lowest energy state will be found in 1 s energy level.

set of 4 possible quantum numbers

Principal quantum no : n = 1,

Azimuthal quantum no l = 0

Magnetic quantum no m = 0

Spin quantum no s = + 1/2

set of other quantum nos

Principal quantum no : n = 1,

Azimuthal quantum no l = 0

Magnetic quantum no m = 0

Spin quantum no s = - 1/2