Flashcard 4 Electron Configuration

Front

What is the electron configuration of Silicon (Si)?

Back

1s² 2s² 2p⁶ 3s² 3p² (Total electrons: 14)

Front

Which element has the electron configuration [He] 2s² 2p²?

Back

Carbon (C)

Front

What is the electron configuration for Lithium (Li)?

Back

1s² 2s¹

Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴

Front

Which element has the electron configuration [Xe] 6s²?

Back

Barium (Ba)

Front

How many electrons are in a neutral atom of Carbon?

Back

6 electrons

Front

What is the maximum number of electrons that can occupy the 2p subshell?

Back

6 electrons (2p can hold 2 electrons in each of the 3 orbitals)

Front

What is the principle behind the Aufbau principle in electron configuration?

Back

Electrons fill orbitals starting from the lowest energy level to the highest.

Front

What does the Pauli Exclusion Principle state?

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.