34
Se
Selenium
78,971 u
Selenium
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 "Selenium"
Selenium. (n.d.). In Element. Retrieved from /id/element/se/
"Selenium." Element, /id/element/se/.
@misc{selenium, title={Selenium}, url={/id/element/se/}}
Add one script tag to your page:
<div data-chemfyi="element" data-slug="Se"></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/Se/?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/id/element/se/
Shields.io-compatible SVG badge:
Web Component:
<chemfyi-element slug="Se"></chemfyi-element>
<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js" defer></script>
Periode
4
Golongan
16
Blok
p-blok
Fase (STP)
Solid
Selenium is an essential trace element for humans in small amounts. It is used in glass, electronics, and solar cells.
Penampilan: Black, red, and gray allotropes
Lebih banyak Nonlogam
Frequently Asked Questions
What is Selenium?
Selenium (Se) is a chemical element with atomic number 34. It is a solid at standard temperature and pressure, classified as a nonlogam.
What are the key properties of Selenium?
Selenium has an atomic mass of 78.971 u, density of 4.809 g/cm³, melting point of 220.9°C, boiling point of 684.9°C.
What is the electron configuration of Selenium?
The electron configuration of Selenium is [Ar] 3d10 4s2 4p4. It is in the p-block of the periodic table.
Who discovered Selenium?
Selenium was discovered by Jons Jacob Berzelius in 1817.
What is the electronegativity of Selenium?
Selenium has an electronegativity of 2.55 on the Pauling scale.