## Ground State

Brandon Tao 1K
Posts: 100
Joined: Sat Aug 17, 2019 12:15 am

### Ground State

What does it mean to be "obtain ground state electron configuration"? Is that when the electrons are balanced?

Christine Honda 2I
Posts: 116
Joined: Sat Sep 14, 2019 12:17 am

### Re: Ground State

In a ground-state atom, all electrons are in the lowest possible energy levels.

ABombino_2J
Posts: 102
Joined: Thu Jul 11, 2019 12:15 am

### Re: Ground State

Ground state means that all the electrons are in the lowest possible energy levels. An excited state is when the electrons exist in a higher energy level.

Lelija Kazlauskas 3J
Posts: 50
Joined: Thu Jul 11, 2019 12:16 am

### Re: Ground State

When an atom is in its ground state, that is when all electrons are in their lowest energy levels. This means that the electrons cannot be moved to a different orbital without increasing the overall energy of the atom.

Julie_Reyes1B
Posts: 105
Joined: Sat Jul 20, 2019 12:16 am

### Re: Ground State

Hi!
Simply put, when an atom is in “ground state configuration”, it just means that all electrons in the atom are in the lowest possible energy levels. A ground state oxygen atom, for example, would have two electrons in the 1s subshell, two in the 2s subshell, and 4 in the 2p subshell. The opposite would be an excited state atom, in which one or more electrons have absorbed energy and have experienced an increase of principal quantum number (n=1 to n=2, for example).
Hope this helps!

Mulin_Li_2J
Posts: 105
Joined: Sat Aug 17, 2019 12:16 am

### Re: Ground State

The energy of a configuration is the sum of the energy of each electron. The ground state means the total energy should be its lowest value. To achieve the lowest energy, simply put electrons one by one into energy shells from lowest to the highest --- in order of 1s, 2s, 2p, 3s, 3p, etc. In another word, the electron configuration you see on a period table is a ground state configuration. Hope this can help you!

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