Electron Configurations & Orbital Notation

Front

What is the electron configuration of an atom with 10 electrons?

Back

1s² 2s² 2p⁶

Front

How many electrons can the first energy level hold?

Back

2

Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴

Front

What does the notation '2p' indicate in electron configuration?

Back

The '2' indicates the second energy level, and 'p' indicates the type of orbital.

Front

How many electrons can the d sublevel hold?

Back

10

Front

What is the maximum number of electrons in the third energy level?

Back

18

Front

What is the shape of s orbitals?

Back

S orbitals are spherical.

Front

What is the shape of p orbitals?

Back

P orbitals are dumbbell-shaped.

Front

What is the Pauli Exclusion Principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What is Hund's Rule?

Back

Electrons will fill degenerate orbitals singly before pairing up.