Assign the quantum numbers to the following elements

1.carbon
2.calcium
3.iron
4.oxygen

1. Carbon:

- Atomic Number: 6
- Quantum Numbers:
- Principal Quantum Number (n): 2
- Azimuthal Quantum Number (l): 0
- Magnetic Quantum Number (m_l): 0
- Spin Quantum Number (m_s): +1/2

2. Calcium:
- Atomic Number: 20
- Quantum Numbers:
- Principal Quantum Number (n): 4
- Azimuthal Quantum Number (l): 0
- Magnetic Quantum Number (m_l): 0
- Spin Quantum Number (m_s): +1/2

3. Iron:
- Atomic Number: 26
- Quantum Numbers:
- Principal Quantum Number (n): 3
- Azimuthal Quantum Number (l): 3
- Magnetic Quantum Number (m_l): -3, -2, -1, 0, 1, 2, 3
- Spin Quantum Number (m_s): +1/2, -1/2

4. Oxygen:
- Atomic Number: 8
- Quantum Numbers:
- Principal Quantum Number (n): 2
- Azimuthal Quantum Number (l): 1
- Magnetic Quantum Number (m_l): -1, 0, 1
- Spin Quantum Number (m_s): +1/2, -1/2