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Determining the Number of protons, neutrons and electrons in an ATOM
In this video, we're going to learn about the number of p, n and e in an atom. We'll explore the atomic structure of different elements, and see how the number of protons, neutrons and electrons affects the properties of those elements....
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Protons, Neutrons and Electrons Explained - what's the difference?
In this video, we'll explore the differences between the proton, neutron, and electron. We'll learn about their characteristics, and how they interact with matter. This video is perfect for anyone who wants to learn more about subatomic...
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How to Determine the Number of protons, neutrons and electrons in an ION
In this video, we'll be talking about how to determine the number of protons, neutrons, and electrons in an ion. We'll be using the periodic table to help us out, so don't miss it! If you're looking to learn about atomic and nuclear...
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Molecules, compounds and types of chemical bonds
What is the difference between a molecule and a compound? What are the main types of chemical bonds? In this video, we will be answering those questions and more.
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Chemistry - Electron Configuration for Ions
Electron Configurations are essential to chemistry and they help us better understand and explain the position/location of electrons. Writing electron configurations can be daunting at first but once you see the pattern, you will be able...
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Invention and evolution of the microscope
Since the invention of the first light microscope, microscopy has evolved so much. We are now able to see things at an atomic level. In this video, we will learn who invented the light microscope and the many other breakthroughs that...
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How lasers are used to treat cancer
In medicine, we use different types of lasers to fight cancer. In this video, we will learn everything about carbon dioxide (CO2), argon and neodymium: yttrium aluminum garnet (Nd:YAG) lasers and how they are used to treat cancer in a...
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Carbon The Exceptional Element Looking into Its Unique Qualities
Carbon and silicon are the predominant elements in the earth's crust, whereas germanium is present in minimal quantities. Lead and tin are present in minuscule quantities. Carbon exists in various forms, including coal, diamond,...
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Valency Revealed Group IV Elements' Complex Chemistry
Tetrahedron formation is a crucial aspect of the chemical bonding and molecular geometry of Group 4 elements like carbon, silicon, germanium, tin, and lead. The tetrahedral shape is formed by the arrangement of four substituents around a...
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Pauli's Exclusion Principle: The rule of electrons
Wolfgang Pauli's Exclusion Principle, developed in 1925, is a crucial concept in quantum mechanics. It states that two electrons in the same atom cannot have the same set of quantum numbers, which are the principal quantum number (𝑻n),...
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Principal Quantum Number: The Key to Electron Shells
The principal quantum number (𝑛) is a fundamental parameter in quantum mechanics that determines the size and energy level of an electron's orbit within an atom. It is a positive integer that represents the main energy level or shell in...
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Azimuthal Quantum Number: Shaping Electron Orbits
Characterised by the symbol 𝑙l, the azimuthal quantum number is a fundamental parameter in quantum mechanics that describes the angular momentum and form of an electron's orbital within an atom. The integer values it accepts range from 0...
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Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?
Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?
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Atomic number, Atomic mass, Mass number: What's the difference?
In this educational video, we will explore the differences between atomic number, atomic mass, and mass number in the world of chemistry.
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Unlocking Carbon's Secrets Electronic Configurations and Valency in the Carbon Family
Group 14 elements are carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead (Pb). Their valence electron configuration is unique and is shown by the symbol ns²np². This set-up shows that there are two electrons in the outermost s...
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The Photoelectric Effect : Light and Electrons
The photoelectric effect is a phenomenon where electrons are emitted from a material, typically a metal, when exposed to light. This effect supports the quantum theory of light and demonstrates the particle-like properties of...
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Intel's Breakthrough: Silicon Laser Chip Paves the Way for Low-Cost Optical Devices
Intel has developed a breakthrough laser microchip based on silicon, which has traditionally been a poor carrier for optical data. This development allows for low-cost, high-bandwidth silicon-based optical devices, bringing significant...
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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.
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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.
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What the heck is an ELEMENT in chemistry?
In chemistry, we usually talk about atoms and molecules. When we introduce the term 'element', things get a little confusing. In this video, we will cover what an element is in chemistry and give you some examples.
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Valence Electrons & Lewis Dot Diagrams - what are they and how do I draw them?
Valence electrons are the electrons in the outermost energy level of an atom. They are important because they are involved in the chemical bonding of our elements which helps determine the reactivity of elements. In order to be stable,...
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Why does chemistry happen?! Element Stability and the Octet Rule!
Why does chemistry happen?? Why do ions form?? Why do elements bond together?? These are all important questions and the answer comes back to one very important principle in chemistry and that is element stability. Elements are stable...
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Covalent bond
A strong chemical bond formed when atoms share pairs of electrons, forming molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Reactivity
The tendency of a substance to undergo chemical reactions. 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...