Flashcard - Electrons Conf of Ions(2024-2025)

Front

What is the electron configuration of a neutral cesium atom?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4p⁶ 5s¹

Front

How many electrons does a cesium ion (Cs⁺) have?

Back

54 electrons

Front

What is the electron configuration of an Aluminum ion (Al³⁺)?

Back

1s² 2s² 2p⁶

Front

What is the electron configuration of a Chloride ion (Cl⁻)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶

Front

How many valence electrons does an atom with the configuration 1s² 2s² 2p⁶ have?

Back

8 valence electrons

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the electron configuration for a neutral Neon atom?

Back

1s² 2s² 2p⁶

Front

How does the electron configuration of an ion differ from that of its neutral atom?

Back

Ions have gained or lost electrons, changing their electron configuration.

Front

What is the electron configuration for a Beryllium ion (Be²⁺)?

Back

1s²

Front

What does the notation 1s² 2s² 2p⁶ represent?

Back

It represents the distribution of electrons in atomic orbitals.