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Handout
Web Elements

Web Elements Periodic Table: Neptunium

For Students 9th - 10th
WebElements provides a very good source of basic information on neptunium, including physical properties, isotopes and electron configuration.
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Handout
Corrosion Source

Corrosion Source: Neptunium

For Students 9th - 10th
Easy to follow information on the history, sources, properties and isotopes of neptunium.