Atomic radius

Lanthanide contraction

The lanthanide contraction is the greater-than-expected decrease in atomic radii/ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, which results in smaller than otherwise expected atomic radii/ionic radii for the subsequent elements starting with 72, hafnium. The term was coined by the Norwegian geochemist Victor Goldschmidt in his series "Geochemische Verteilungsgesetze der Elemente" (Geochemical distribution laws of the elements). (Wikipedia).

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Special Relativity C3 Length Contraction

Relativistic length contraction.

From playlist Physics - Special Relativity

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Special Relativity C2 Length Contraction

Relativistic length contraction.

From playlist Physics - Special Relativity

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What is Length Contraction?

What is length contraction? Length contraction gives the second piece (along with time dilation) of the puzzle that allows us to reconcile the fact that the speed of light is constant in all reference frames.

From playlist Relativity

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The Mechanism of Muscle Contraction: Sarcomeres, Action Potential, and the Neuromuscular Junction

We've learned about the types of muscle, including skeletal muscle, and we know then when these muscles contract, we are able to move our bodies around. But how exactly does this happen on the molecular level? There is an astonishing amount of chemistry happening to make this work, so let'

From playlist Anatomy & Physiology

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Stress & Strain - Elastic Modulus & Shear Modulus Practice Problems - Physics

This physics video tutorial provides practice problems associated with the elastic modulus and shear modulus of materials. It explains how to calculate the stress and strain of materials when an external force is applied. Stress is the ratio of force and area. Strain is the ratio of the

From playlist New Physics Video Playlist

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MagLab User Summer School: Electron Magnetic Resonance at the MagLab

This video was recorded in 2016 at the National MagLab’s annual User Summer School, where early-career scientists learn from lab experts best practices for conducting experiments at the lab. For more information, please visit https://nationalmaglab.org/user-summer-school

From playlist User Summer School Talks

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Gadolinium - Periodic Table of Videos

Gadolinium is element number 64. More links in description below ↓↓↓ Support Periodic Videos on Patreon: https://www.patreon.com/periodicvideos A video on every element: http://bit.ly/118elements More at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/pe

From playlist With Portuguese subtitles (Português) - Periodic Videos

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Thermal Stress and Strain - Basic Introduction - Compressive & Tensile Forces, Elastic Modulus

This physics video tutorial provides a basic introduction into thermal stress and strain. As the temperature increases, the length of the rod increases; therefore, a compressive force is exerted by the two vertical supports to keep the rod at constant length - the material is under compre

From playlist New Physics Video Playlist

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Winter Theory School 2022: Steve Hill

Directly observing quantum spin dynamics and relaxation via electron magnetic resonance

From playlist Winter Theory 2022

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Physics - Thermodynamics: Temperature (1 of 4) Thermal Linear Expansion: Definition

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain and show you how to calculate the thermal linear expansion.

From playlist MOST POPULAR VIDEOS

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Differential Equations: Force Damped Oscillations

How to solve an application of non-homogeneous systems, forced damped oscillations. Special resonance review at the end.

From playlist Basics: Differential Equations

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Chemistry 107. Inorganic Chemistry. Lecture 22.

UCI Chemistry: Inorganic Chemistry (Fall 2014) Lec 22. Inorganic Chemistry -- Coordination Chemistry I: Coordination Geometries View the complete course: http://ocw.uci.edu/courses/chem_107_inorganic_chemistry.html Instructor: Alan F. Heyduk. License: Creative Commons CC-BY-SA Terms of Us

From playlist Chem 107: Week 8

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Physics - Mechanics: Torsion (9 of 14) The Torsional Pendulum: Another Example

Visit http://ilectureonline.com for more math and science lectures! In this video I will find f=? and T=? of a cable suspending a rod with 2 masses one on each end of the rod. Next video in this series can be found at: https://youtu.be/WGHEXoCGXVY

From playlist PHYSICS 16.6 TORSION

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Andrea Sella - Terra Rara: The strange story of some political elements

Rare earth elements - the 14 or so elements with romantic names such as neodymium, gadolinium and dysprosium - have been very much in the news over the past five years. Their niche uses in electronics and in the renewable energy industry make them indispensable to today's society. Yet most

From playlist Ri Talks

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Holmium - Periodic Table of Videos

A new video about the element Holmium, featuring Stephen Liddle and Martyn Poliakoff. Ytterby video: https://youtu.be/HTvhgd84_WQ Objectivity: http://bit.ly/Objectivity More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on

From playlist All Chemical Elements in Order - Periodic Videos

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Rare Earth Elements

Hank reveals why our love affair with the rare earth elements has a dark side. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://washingtonindependent.com/101462/california-mine-represents-hope-... http:

From playlist Uploads

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8 Elements You Might Not Know That Are Extremely Useful

There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because you haven't heard of an element doesn't mean that it isn't a vital part of everyday life! Learn about these lesser known yet important elements in a new episode of Sci

From playlist Uploads

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Ariadna Murguia-Berthier - Implementing a tabulated EOS and neutrino leakage scheme in HARM3D

Recorded 5 October 2021. Ariadna Murguia-Berthier of the University of California, Santa Cruz present "Implementing a tabulated EOS and neutrino leakage scheme in HARM3D" at IPAM's Workshop I: Computational Challenges in Multi-Messenger Astrophysics. Abstract: On August 17, 2017, the LIGO/

From playlist Workshop: Computational Challenges in Multi-Messenger Astrophysics

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LANTHANIDES - a quick definition

A quick definition of the lanthanides. Chem Fairy: Louise McCartney Director: Michael Harrison Written and Produced by Kimberly Hatch Harrison ♦♦♦♦♦♦♦♦♦♦ Ways to support our channel: ► Join our Patreon : https://www.patreon.com/socratica ► Make a one-time PayPal donation: https://ww

From playlist Chemistry glossary

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Physics - Mechanics: Ch 17 Tension and Weight (1 of 11) What is Tension?

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain what is tension and how to calculate tension using the free-body diagram. Next video in this series can be seen at: https://youtu.be/BxUhaktD8PA

From playlist PHYSICS MECHANICS 1: INTRO, VECTORS, MOTION, PROJECTILE MOTION, NEWTON'S LAWS

Related pages

Europium | Gadolinium | Hafnium | Atomic number | Atomic radius | Ionic radius | Holmium | D-block contraction | Picometre | Density | Atomic mass | Brinell scale