S1.3 SL - Electron configurations ✓

Describe the Bohr model

Rings around the nucleus that represent energy levels.

Describe the hydrogen emission spectrum

A line spectrum containing a series of coloured lines that converge at high energies.

Define a continuous spectrum

A spectrum that shows all frequencies of visible light.

Define a line spectrum

A spectrum that shows only specific frequencies of visible light.

How do we label energy levels?

n=1, n=2, n=3, etc.

Which sublevel/s are found in the n=1 energy level?

s-sublevel.

Which sublevel/s are found in the n=2 energy level?

s-sublevel and a p-sublevel.

Which sublevel/s are found in the n=3 energy level?

s-sublevel, a p=sublevel and a d-sublevel.

Maximum number of electrons contained in an s-sublevel?

2 electrons (1 orbital)

Maximum number of electrons contained in a p-sublevel?

6 electrons (3 orbitals)

Maximum number of electrons contained in a d-sublevel?

10 electrons (5 orbitals)

Maximum number of electrons contained in an f-sublevel?

14 electrons (7 orbitals)

What is the mathematical formula describing the number of electrons contained in an energy level?

2n^2

Maximum number of electrons contained in n=1 energy level?

2

Maximum number of electrons contained in n=2 energy level?

8

Maximum number of electrons contained in n=3 energy level?

18

Maximum number of electrons contained in n=4 energy level?

32

The two exceptions to the Aufbau principle?

Cu and Cr