Electron Configuration

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does an atom with 5 valence electrons have?

Back

5

Front

What is the electron configuration for a Zinc atom?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Front

What is the electron configuration for an oxygen atom?

Back

1s² 2s² 2p⁴

Front

What atom has the electron configuration 1s² 2s² 2p⁶ 3s²?

Back

Magnesium

Front

What is the electron configuration for Krypton?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

Front

How do you determine the number of valence electrons from an electron configuration?

Back

Count the electrons in the outermost shell (highest principal quantum number).

Front

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

Back

2 electrons.

Front

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

Back

6 electrons.

Front

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

Back

10 electrons.