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Curated Video
What is an atom made of
What is an atom? And what is it made of? In this video, I will be introducing you to the atom. We will also look at concepts like atomic mass, elements and isotopes.
Curated Video
What are carbon-based molecules
Carbon-based molecules are the basis of life as we know it. Molecules like lipids, proteins, nucleic acids, and carbohydrates that make up all living things have one thing in common - carbon.
Curated Video
Meet the ADORABLE disaccharides - maltose, sucrose and lactose
When 2 monosaccharides come together and form a glycosidic bond, they become a disaccharide. In this video, we will be looking at the structure and examples of disaccharides we find in nature.
Curated Video
The Chemistry In Wonder Woman
Dr. Boyd discusses the chemistry behind "Dr. Poison's" new chemical weapon in the new Wonder Woman movie.
Curated Video
Valence Bond Theory: A Journey into Chemical Bonding
Valence Bond (VB) theory explains how chemical bonds form through the overlap of atomic orbitals, where electron pairs are shared between atoms. The key concepts include: Atomic Orbital Overlap: Bonds form when atomic orbitals from...
Curated Video
Mastering Lewis Structures: Essential Rules for Drawing Bond Maps
Lewis structures are diagrams that represent the bonding between atoms in a molecule and the lone pairs of electrons that may exist. These structures are crucial in understanding how atoms share or transfer electrons to form stable...
Curated Video
VSEPR Theory - lone electron pair influence
Bond Angle Distortion: Lone pairs reduce bond angles between bonding pairs. For example, in a molecule like NH₃ (ammonia), the ideal tetrahedral angle of 109.5° is compressed to around 107° due to the presence of a lone pair on nitrogen....
Curated Video
Potential Energy Curve of H₂: The Dance of Attraction and Repulsion
The potential energy curve of the H₂ molecule illustrates how the energy of the system changes as the two hydrogen atoms approach or move apart. As the atoms come closer, the attractive forces between the positively charged nuclei and...
Curated Video
Multiple Covalent Bonds: The Power of Double and Triple Bonds
Double and triple bonds involve the sharing of two or three pairs of electrons, providing additional stability and influencing molecular properties like rigidity and reactivity
Curated Video
Covalent Bonds: Sharing Electrons for Stability
Covalent bonds form when atoms share electrons to complete their valence shells, creating strong and directional interactions.
Curated Video
Lattice Energy Demystified: The Strength of Ionic Compounds
Lattice energy is the energy released when ions combine to form an ionic solid. Higher lattice energy indicates a stronger ionic bond and greater stability
Curated Video
Fajan’s Rules: Predicting Ionic vs. Covalent Bonds
Fajan's rules explain how factors like ion size, charge, and polarizability determine whether a bond will be predominantly ionic or covalent
Curated Video
The Nature of Chemical Bonds: How Electronegativity Shapes Them
Electronegativity differences between atoms determine the type of bond: ionic bonds form when the difference is large, while covalent bonds form with similar electronegativity.
Great Big Story
Rehabilitation and bonding, horse training in prison
Explore how inmates bond with horses, transforming lives at Northern Nevada Correctional Centre.
Science ABC
If All Large Countries Are In Debt, Who Do They Borrow Money From?
The citizens of a nation lend money to their government, which adds to the national debt. This is the most secure way of raising money from an economist's point of view. Many developed countries prefer this method of borrowing money....
Science ABC
Why Is Static Friction Greater Than Kinetic Friction?
Friction is the resistance that one object or surface experiences when moving over another object or surface. The two types of friction that come into play when moving two objects against one another are static and kinetic. Static...
Science ABC
Why Does Water Evaporate at Room Temperature?
Water evaporates at room temperature because the molecules at the top of the liquid have less intermolecular attraction than those within the bulk. When the top layer is exposed to sunlight, some molecules gain enough kinetic energy to...
Curated Video
Get Hired: Teamwork
The dynamic of teamwork is often analogous to sports in which the mission is unanimous and each teammate offers support by utilizing their clearly defined attributes and entrusting their other teammates to do the same. This video...
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Unsaturated fats
Fats in which there is at least one double bond between carbon atoms in the carbon chain.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Van der Waals Force
A type of intermolecular force that causes attraction between molecules.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Addition reaction
A reaction in which two molecules combine to form a larger molecule.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Monomer
A small molecule that can chemically bond in chains or groups to other similar molecules, to form larger molecules called polymers.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...
Curated Video
Organic chemistry
The study of carbon-based compounds.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Giant covalent structure
A substance in which a large number of non-metal atoms are covalently bonded in a continuous network.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...