Electron Configuration Practice

Front

What is the electron configuration for a neutral oxygen atom?

Back

1s² 2s² 2p⁴

Front

Which block of the periodic table does the element Argon (Ar) belong to?

Back

p block

Front

What is the electron configuration of a neutral Magnesium atom?

Back

1s² 2s² 2p⁶ 3s²

Front

Identify the element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰.

Back

Zinc (Zn)

Front

What is the electron configuration of Iron (Fe)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

Front

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

Back

6 electrons (2 in each of the three p sublevels: px, py, pz)

Front

What is the significance of the Aufbau principle in electron configuration?

Back

The Aufbau principle states that electrons occupy the lowest energy orbitals first before filling higher energy levels.

Front

What is the total number of electrons in a neutral atom of Argon (Ar)?

Back

18 electrons

Front

How many valence electrons does a neutral Magnesium atom have?

Back

2 valence electrons (in the 3s subshell)

Front

What is the electron configuration for a neutral Zinc atom?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰