Physics 2, Exam 3: Atomic physics

Lyman

n_f = 1

• UV light

Balmer

n_f = 2

• Visible light

Paschen

n_f = 3

• Infrared light

Brackett

n_f = 4

• Infrared light

Pfund

n_f = 5

• infrared light

α_b

5.3 × 10^-11 m

• Radius of the smallest orbital in hydrogen atom

β_B

2.18 × 10⁶ m/s
- Velocity of an electron at ground state in a hydrogen atom

n

possible values: 1,2,3
- the energy level of the electron/shell number

• n ≥ ℓ + 1

l

possible values: [0, n-1]

• The angular momentum quantum number: the subshell that the electron is in

m_l

possible values: [ -(n-1) , (n-1) ] ~ -l … 0 … l

• The magnetic quantum number: the type of subshell (orbital) that the electron is in

m_s

possible values: +1/2 or -1/2

• property of the electron: the electron spin

The maximum electrons that an energy level can hold is…

2n²

The maximum electrons that a subshell can hold is

4l + 2