Mr. Andersen describes the major groups on the periodic table.

New ReviewIn this video, the teacher explores the fascinating stories behind the names of elements in the periodic table. From the origins of hydrogen and oxygen to the mythical beings and places immortalized in element names, the video uncovers...

Why is carbon the foundation of life? All life is based on carbon chemistry, But carbon is not the most abundant element on earth. 20% of our body is made up of carbon, but it comprises less than 1% of the mass of the...

Why does changing just one proton in the nucleus of an atom make a different element? How can a single proton make such a huge difference in an element’s properties?



The simple answer is: The number of...

The universe, shortly after the big bang only consisted of the lightest elements, Hydrogen, Helium Lithium, and some isotopes. But today we have elements on earth as heavy as Californium, element 98 on the periodic...

We take a deep dive to understand how chemistry works at a fundamental level. All chemistry is about electrons. They are the primary drivers responsible for an atom’s behavior in chemical reactions, or more precisely the way...

Why do certain elements have similar properties? Because of the way electrons are arranged around the nucleus of atoms. But why are electrons arranged specifically in certain orbitals and shells? The structure of...

Bob Lazar and area 51. Element 115. Could the fluxliner or alien gravity propulsion system work? In a 2018 Netflix documentary, Bob Lazar claims to be a physicist who worked for a very secret site called S-4, near...

In this video, I summarize All Nuclear Physics in about 10 minutes. Atoms are made of a positively charged nucleus surrounded by negatively charged electrons. The nuclei of atoms are made up of protons and neutrons. These are called...

The Periodic Table is a critical centerpiece to the fields of Chemistry, Physics, and even Biology. Follow this brief explanation of its history, organization and symbols.

The molar mass of a chemical compound is the mass, in grams, of 1 mole of the substance.

Pupil outcome: I can identify and describe properties of some different groups of elements in the periodic table. Key learning points: - Each column of the periodic table is called a group, and each row is called a period. - The periodic...

Pupil outcome: I can describe the pattern in the reactivity of Group 1 metals with water and Group 2 metals with dilute acid, and compare the reactivity of the two groups. Key learning points: - The properties of elements in each group...

Pupil outcome: I can describe how magnets can attract magnetic materials, as well as attract and repel other magnets. Key learning points: - All magnets have a north–seeking pole and a south–seeking pole. - Unlike magnetic poles attract...

Pupil outcome: I can describe the properties of the noble gases, their uses, and explain why they are unreactive. Key learning points: - Noble gases are in Group 0 of the periodic table and are unreactive. - Noble gases are all gases at...

Transition metals are elements in the d orbital. The reason these are unique is that they do not have 1 set charge they become when they become an ion like elements in the s and p orbital. Elements in the d orbital, or our transition...

In this video, we'll be looking at the different types of notation and how they're used to represent the atomic structure of elements. We'll be using both symbolic and isotope notation to show the different properties of the...

Isotopes are just different atoms that represent the same element but have a different mass. In this video, students will learn what is an isotope and how to tell the difference between isotopes of different atoms. This video will make...

While While the Bohr model of the atom is not the most accurate model we have today, it can help up show a lot of valuable information about the atom. Bohr models can show the protons and neutrons in the nucleus along with the number of...

In this video, we're going to talk about the difference between elements and compounds. We'll cover the basics of chemistry, and explain the differences between elements and compounds.
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Molar mass is the mass of 1 mole of a substance. The molar mass of elements can be found on the periodic table and the molar mass of compounds can be found by adding together the molar masses of the elements present in the compound....

Percent composition is the percent of total mass of one element in a compound. We can find the percent composition by using this formula: mass of element/total mass of compound times 100. In this video, we will cover what percent...

In this video, students will learn about atomic theory, atomic structure and how the atom is put together. This will include learning about the different subatomic particles, protons, neutrons and electrons, that make up the atom! This...

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...