In this video Paul Andersen explains how metallic solids form when delocalized electrons hold the positive nuclei in an electron sea. This model helps to explain the properties of metals like conductivity, shiny appearance,...

Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...

Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...

We've learned about ionic and covalent bonds, so we understand the interactions that will occur between a metal and a nonmetal, or between two nonmetals. But what about two metals? Metallic bonding! This ends up being sort of like ionic...

Today we’ll explore more about two of the three main types of materials that we use as engineers: metals and ceramics. We’ll discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. We’ll also look at...

Beautiful Bonds: The World of Covalent and Metallic Solids

Covalent solids, also known as network solids, are materials with atoms bonded together in a continuous network by covalent bonds, resulting in large, rigid structures....

The pirates are off to find more treasure! Will they make it across the stormy seas? This lesson will survey the physical properties of metals, non-metals and metalloids. Definitions included: physical property, standard ambient...

The video discusses transition metals, their properties and where they are commonly found in the periodic table. The presenter provides information on the physical and chemical properties of transition metals, including their...

The video discusses how the physical properties of substances depend on the bonding between particles. It covers ionic compounds, small molecules, giant covalent structures, metals, and alloys, and explains how the nature of the bonding...

Electrical conductivity varies from metals to insulators. Solids can be divided into three categories: conductors, insulators, and semiconductors. Conductors are solids through which electricity can flow to a large extent, classified as...

Band Theory Dissection: Conduction in Various Substances

The band theory of solids is a fundamental concept in solid-state physics that explains the conduction of electricity in substances based on the arrangement of energy levels...

It explains the physical properties of metals and non-metals.

What are the properties of Alkali metals? What is ionic bonding? What are the most reactive elements of Alkali? What is known about Lithium? Why is Lithium the least reactive? What can Lithium be alloyed with?

Periodic Table of...

Learn the basics about particles in a metal, that are held together by metallic bonds.What are metallic bonds? Find out more in this video!

In this video we will looks at what allotropes are, and different examples of them. The term allotrope refers to different forms of the same element. Diamond and graphite are made of only carbon atoms – yet they exhibit very different...

This video provides an overview of the element antimony, highlighting its properties as a metalloid and its various uses in medicine, cosmetics, electronics, and other industries. It also touches on the historical significance of...

The video discusses how to evaluate and compare different materials, including their properties, costs, lifetime costs, environmental impact, and aesthetics. It gives examples of selecting suitable materials for building a house and...

This video provides an overview of the valuable and versatile element, silver. It explores its properties, uses in industries such as electronics and jewelry, its historical significance as a currency, and how it can be alloyed to...

This video provides a brief yet informative overview of the differences between aluminum and steel. It explores their physical properties, strengths, weaknesses, and various applications. Whether you're interested in engineering,...

Learn the basics about covalent bonds, when learning about properties of matter. When similar atoms react, like non-metals combining with other non-metals, they share electrons. This is covalent bonding. Non-metals have shells of...

Learn the basics about conductors and non-conductors as a part of elements, compounds and measures within the overall topic of properties of matter.

In this video Paul Andersen explains how ionic solids form a lattice between cations and anions. According the Coulomb's Law the lattice energy increases as the ions carry a larger charge and are smaller. Some of the properties of...

In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...

Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series...