Electron Configuration Worksheet

Name:_______________

VandenBout/LaBrake

CH301

This worksheet provides extra practice for writing electron configurations. The

easiest and most reliable technique for writing electron configurations is to use the

periodic table as your guide. Details of using the periodic table as a guide for

determining electron configurations can be found on the CH301 website.

1. Write the ground state electron configuration of the following neutral

elements in orbital notation, orbital notation with arrows and in short hand

noble gas notation.

a) Beryllium

Orbital notation: 1s

Orbital notation + Arrows:

1s 2s

Noble gas notation: [He] 2s

b) Nitrogen

Orbital notation: 1s

Orbital notation + Arrows:

1s 2 s 2 p

Noble gas notation: [He]2s

c) Argon

Orbital notation: 1s

Orbital notation + Arrows:

1s 2 s 2 p

Noble gas notation: [Ne] 3s

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