89
Ac
Actinium
227.0 u
Actinium
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 "Actinium"
Actinium. (n.d.). In Element. Retrieved from /th/element/ac/
"Actinium." Element, /th/element/ac/.
@misc{actinium, title={Actinium}, url={/th/element/ac/}}
Add one script tag to your page:
<div data-chemfyi="element" data-slug="Ac"></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/Ac/?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/th/element/ac/
Shields.io-compatible SVG badge:
Web Component:
<chemfyi-element slug="Ac"></chemfyi-element>
<script src="https://cdn.jsdelivr.net/npm/chemfyi-embed@1/dist/embed.min.js" defer></script>
คาบ
7
หมู่
—
บล็อก
f-บล็อก
สถานะ (STP)
Solid
Actinium is a radioactive element that glows blue in the dark. It is the first element in the actinide series and is used in radiation therapy research.
แอกทิไนด์ เพิ่มเติม
Frequently Asked Questions
What is Actinium?
Actinium (Ac) is a chemical element with atomic number 89. It is a solid at standard temperature and pressure, classified as a แอกทิไนด์.
What are the key properties of Actinium?
Actinium has an atomic mass of 227.0 u.
What is the electron configuration of Actinium?
The electron configuration of Actinium is [Rn] 6d1 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Actinium?
Actinium has an electronegativity of 1.1 on the Pauling scale.