Noble gas or Abbreviated electron configuration calculator

How to write Noble gas or Abbreviated electron configuration?

It should be noted that “Abbreviated electron configuration or Noble gas electron configuration or Condensed electron configuration” all are the same. They represent the short form of electron configuration.

To write the noble gas configuration or abbreviated electron configurations, we have to start with the symbol of the noble gas in the previous period, followed by the configuration of the remaining electrons for a given element.

“A noble gas or abbreviated configuration of an atom consists of the elemental symbol of the last noble gas prior to that atom, followed by the configuration of the remaining electrons”

Important Noble gases are –

⇒ Helium (He) → atomic number 2

⇒ Neon (Ne) → atomic number 10

⇒ Argon (Ar) → atomic number 18

Let’s take some examples to understand How to find Noble gas or Abbreviated electron configuration for given elements.

How to write the Noble gas or Abbreviated electron configuration for Oxygen (O)?

• We know, the full electron configuration for oxygen is 1s²2s²2p⁴. The noble gas before the oxygen atom is Helium (He) which has a 1s² electron configuration.
• So, to write the electron configuration for oxygen in noble gas form or in shorthand notation, we have to replace the portion of the oxygen electron configuration with the symbol of Helium noble gas, [He].
• The noble gas or condensed electron configuration for oxygen is [He] 2s²2p⁴.

How to write the Noble gas or Abbreviated electron configuration for Sodium (Na)?

• We know, the full electron configuration for sodium is 1s²2s²2p⁶3s¹. The noble gas before the sodium atom is Neon (Ne) which has a 1s²2s²2p⁶ electron configuration.
• So, to write the electron configuration for sodium in noble gas form or in shorthand notation, we have to replace the portion of the sodium electron configuration with the symbol of Neon noble gas, [Ne].
• The noble gas or condensed electron configuration for Sodium is [Ne] 3s¹.

How to write the Noble gas or Abbreviated electron configuration for Calcium (Ca)?

• We know, the full electron configuration for calcium is 1s²2s²2p⁶3s²3p⁶4s². The noble gas before the calcium atom is Argon (Ar) which has a 1s²2s²2p⁶3s²3p⁶ electron configuration.
• So, to write the electron configuration for calcium in noble gas form or in shorthand notation, we have to replace the portion of the calcium electron configuration with the symbol of Argon noble gas, [Ar].
• The noble gas or condensed electron configuration for Calcium is [Ar] 4s².

The full electron configuration for the first 30 elements – 

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