Electron Configuration and Orbital Notation

Front

What is the maximum number of electrons that can occupy the first energy level?

Back

2

Front

What is the electron configuration for Fluorine (F)?

Back

1s2 2s2 2p5

Front

What is the electron configuration for Oxygen (O)?

Back

1s2 2s2 2p4

Front

What is the electron configuration for Chlorine (Cl)?

Back

1s2 2s2 2p6 3s2 3p5

Front

What is the Aufbau principle?

Back

The Aufbau principle states that electrons occupy the lowest energy orbitals first before filling higher energy levels.

Front

What is Hund's rule?

Back

Hund's rule states that electrons will fill degenerate orbitals (orbitals of the same energy) singly before pairing up.

Front

What is the Pauli Exclusion Principle?

Back

The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.

Front

How many electrons can the second energy level hold?

Back

8

Front

What is the electron configuration for Neon (Ne)?

Back

1s2 2s2 2p6

Front

What is the significance of the quantum number 'n'?

Back

The quantum number 'n' indicates the principal energy level of an electron in an atom.