93
Np
Neptunium
237,0 u
Neptunium
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://chemfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://chemfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://chemfyi.com/entity//)Use the native HTML custom element.
Cite "Neptunium"
Neptunium. (n.d.). In Element. Retrieved from /ar/element/np/
"Neptunium." Element, /ar/element/np/.
@misc{neptunium, title={Neptunium}, url={/ar/element/np/}}
Add one script tag to your page:
<div data-chemfyi="element" data-slug="Np"></div>
<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://chemfyi.com/iframe/element/Np/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://chemfyi.com/ar/element/np/
Shields.io-compatible SVG badge:
Web Component:
<chemfyi-element slug="Np"></chemfyi-element>
<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js" defer></script>
الدورة
7
المجموعة
—
الكتلة
f-كتلة
الطور (STP)
Solid
Neptunium was the first synthetic transuranium element, named after the planet Neptune. It is a byproduct in nuclear reactors.
المزيد من أكتينيد
Frequently Asked Questions
What is Neptunium?
Neptunium (Np) is a chemical element with atomic number 93. It is a solid at standard temperature and pressure, classified as a أكتينيد.
What are the key properties of Neptunium?
Neptunium has an atomic mass of 237.0 u.
What is the electron configuration of Neptunium?
The electron configuration of Neptunium is [Rn] 5f4 6d1 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Neptunium?
Neptunium has an electronegativity of 1.36 on the Pauling scale.