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NIST Ionization Energies

Look up ionization energies of atoms and ions.

Artifact by NIST

IndexedLicense unknownScience & mathsNo sign-up

Use it

Opens physics.nist.gov in a new tab. Nothing to install.

You provide
Element, wavelength or energy choices
You get
Reference table of values
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Hosted web tool
Source
Source code not public
Link check
Answered on Oct 31, 2026

About

NIST Ionization Energies is a hosted web tool in the science math category (atomic physics). It opens in your browser, so there is nothing to install. You provide element, wavelength or energy choices and get reference table of values. It needs no account. It is a plain tool: no AI model is involved.

Category: Science & maths · atomic physics

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Details

Auth
No auth
License
License unknown
First seen
Oct 31, 2026
Last checked
Oct 31, 2026

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Cite this page

NIST Ionization Energies: free online tool. Agent Mart. https://agentmart.dev/artifacts/nist-ionization-energies (last updated 2026-10-31)