65 Tb Terbium 158.93 u

Terbium

Add one script tag to your page:

<div data-chemfyi="element" data-slug="Tb"></div>
<script src="proxy.php?url=https%3A%2F%2Fcdn.jsdelivr.net%2Fnpm%2Fchemfyi-embed%401%2Fdist%2Fembed.min.js" defer></script>

Embed as an iframe:

<iframe src="proxy.php?url=https%3A%2F%2Fchemfyi.com%2Fiframe%2Felement%2FTb%2F%3Fstyle%3Dmodern%26amp%3Btheme%3Dlight" 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/element/tb/

Shields.io-compatible SVG badge:

![Terbium](https://chemfyi.com/badge/element/Tb.svg)

Web Component:

<chemfyi-element slug="Tb"></chemfyi-element>
<script src="proxy.php?url=https%3A%2F%2Fcdn.jsdelivr.net%2Fnpm%2Fchemfyi-embed%401%2Fdist%2Fembed.min.js" defer></script>

Period

Group

—

Block

f-block

Phase (STP)

Solid

Terbium is a silvery lanthanide used in green phosphors for displays. It is also used in solid-state devices and fuel cells.

Physical Properties

Atomic Mass 158.93 u

Phase at STP Solid

Electronic Properties

Electronegativity 1.2

Electron Configuration

Configuration [Xe] 4f⁹ 6s²

Electron Shell Configuration

Position in Periodic Table

Block & Period

Block

s p d f

Period

1 2 3 4 5 6 7

Periodic Table

Lanthanides Actinides

More Lanthanide

57 La Lanthanum 58 Ce Cerium 59 Pr Praseodymium 60 Nd Neodymium 61 Pm Promethium 62 Sm Samarium 63 Eu Europium 64 Gd Gadolinium 66 Dy Dysprosium 67 Ho Holmium

Frequently Asked Questions

What is Terbium?

Terbium (Tb) is a chemical element with atomic number 65. It is a solid at standard temperature and pressure, classified as a lanthanide.

What are the key properties of Terbium?

Terbium has an atomic mass of 158.93 u.

What is the electron configuration of Terbium?

The electron configuration of Terbium is [Xe] 4f9 6s2. It is in the f-block of the periodic table.

What is the electronegativity of Terbium?

Terbium has an electronegativity of 1.2 on the Pauling scale.