Flashcard#2 Electron configuration

Front

What is the electron configuration of Iodine?

Back

The electron configuration of Iodine is [Kr] 5s² 4d¹⁰ 5p⁵.

Front

What atom matches this electron configuration? 1s² 2s² 2p⁶ 3s²

Back

The atom that matches this electron configuration is Magnesium.

Front

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶?

Back

The element is Argon.

Front

How many electrons can the first energy level hold?

Back

The first energy level can hold a maximum of 2 electrons.

Front

How many valence electrons does Chlorine have?

Back

Chlorine has 7 valence electrons.

Front

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

Back

The second energy level can hold a maximum of 8 electrons.

Front

What is the electron configuration for Neon?

Back

The electron configuration for Neon is 1s² 2s² 2p⁶.

Front

What is the significance of valence electrons?

Back

Valence electrons determine an atom's chemical properties and reactivity.

Front

What is the electron configuration of Magnesium?

Back

The electron configuration of Magnesium is 1s² 2s² 2p⁶ 3s².

Front

Which element has the electron configuration [Kr] 5s² 4d¹⁰ 5p⁵?

Back

The element is Iodine.