Electron Configuration

How many orbitals are in the s orbital? How many electrons can it hold?

1 orbital, 2 electrons

What is hydrogen's complete electron configuration? What is the abbreviated electron configuration?

1s^1 Hydrogen does not have an abbreviated electron configuration.

What is helium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 Helium does not have an abbreviated electron configuration.

What is lithium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^1 [He] 2s^1

What is beryllium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 [He] 2s^2

What is boron's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^1 [He] 2s^2 2p^1

What is carbon's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^2 [He] 2s^2 2p^2

What is nitrogen's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^3 [He] 2s^2 2p^3

What is oxygen's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^4 [He] 2s^2 2p^4

What is fluorine's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^5 [He] 2s^2 2p^5

What is neon's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 [He] 2s^2 2p^6

What is sodium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^1 [Ne] 3s^1

What is magnesium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 [Ne] 3s^2

What is aluminum's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^1 [Ne] 3s^2 3p^1

What is silicon's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^2 [Ne] 3s^2 3p^2

What is phosphorus' complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^3 [Ne] 3s^2 3p^3

What is sulfur's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^4 [Ne] 3s^2 3p^4

What is chlorine's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^5 [Ne] 3s^2 3p^5

What is argon's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^6 [Ne] 3s^2 3p^6

What is potassium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 [Ar] 4s^1

What is calcium's complete electron configuration? What is the abbreviated electron configuration?

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 [Ar] 4s^2

Write the complete electron configuration for the element Se

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4

How many orbitals are in the p orbital? How many electrons can it hold?

3 orbitals, 6 electrons

How many orbitals are in the d orbital? How many electrons can it hold?

5 orbitals, 10 electrons

What is the highest occupied orbital in the structure of the element Rb?

5s

What is the highest occupied orbital in the structure of the element Po?

6p

How many orbitals are in the f orbital? How many electrons can it hold?

7 orbitals, 14 electrons

What can be said about elements in the same group?

Elements in the same group have similar electron configurations and so, they have similar trends in properties

Write the abbreviated electron configuration of Iodine

[Kr] 5s^2 4d^10 5p^5

Write the abbreviated electron configuration for the element Tl

[Xe] 6s^2 4f^14 5d^10 6p^1

What is the Aufbau principle?

electrons fill orbitals that have the lowest energy first

What is the Pauli exclusion principle?

in a given orbital, 2 electrons that have opposite spins can occupy it

Define electron configuration

most stable arrangement of electrons in the sub levels and orbitals; it shows the lowest energy arrangement of electrons for the element

What is Hund's rule?

orbitals on a given energy level must have one electron inside before doubling up, those single electrons must have the same spin