SciShow
Strontium: It Knows Where You've Been
Your teeth contain traces of strontium isotopes that can reveal where you lived while they were forming.
SciShow
Quantum Tunneling Takes a Surprisingly Long Time
Quantum tunneling happens when a particle seemingly teleports across a barrier. But despite how instantaneous this event sounds, recent research suggests that it doesn’t happen nearly as fast as you might think.
Curated Video
Alkali metal
A highly reactive group of metals that make up group one in the periodic table. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Flame Colours and Spectroscopy
The discovery by Robert Bunsen which allowed elements to be identified more easily, and even led to the discovery of new ones. Chemistry - Atoms And Bonding - Learning Points. Gustav Kirchoff assembled the first spectroscope - two...
ProTeachersVideo
Alkali Metals - Properties in Air
A look at the chemical properties of elements in group 1 of the periodic table (the alkali metals) showing how the metals tarnish in air, and trends of reactivity and melting point. KS3 and KS4 Chemistry
Professor Dave Explains
IIT/JEE Chemistry Practice #13: Atomic Orbitals/Quantum Numbers
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
FuseSchool
Group1 As An Example Of Groups In The Periodic Table
Learn the basics about Group 1, as an example of Groups in the periodic table.
ProTeachersVideo
KS3/4 Science: Demonstrating Chemistry: Exciting Elements
Follow a science teacher as she gets expert advice on how to demonstrate spectacular reactions from Groups 1 and 7 of the Periodic Table safely and effectively. Starting with Group1 elements, Dr Kay Stephenson from the Royal Society of...
Professor Dave Explains
Periodic Table Part 2: Alkali Metals (Li, Na, K, Rb, Cs, Fr)
It's time to check out Group 1 on the periodic table, the alkali metals. This includes lithium, sodium, potassium, rubidium, cesium, and francium. What can we say about their properties, reactivities, and applications? Let's find out!
FuseSchool
What are Groups in the Periodic Table?
What actually are the groups in the periodic table? And why are they structured in that way? Find out the answers in this Chemistry video from The Virtual School.
FuseSchool
Group 1 - The Alkali Metals | The Periodic Table
A great summary about Group 1 in the Periodic table - The Alkali Metals.
University of Nottingham
University of Nottingham: Periodic Table of Videos: Rubidium
Highlights rubidium and properties that allow it to be used by physicists when experimenting with lasers. [4:26]
Science Friday Initiative
Science Friday: Isolating Atoms
Researchers report that they have captured a single atom of rubidium within 'optical tweezers' and held it in place long enough to snap a photo.