Curated Video
Element Notation - Symbolic Notation vs. Isotope Notation - what's the difference?
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 elements. If...
Curated Video
Atoms and Ions Explained - What's the difference?
In this video, we'll explore what atoms and ions are, and what the differences are. We'll also talk about how they're used in chemistry and physical science. If you're curious about what atoms and ions are, and what the differences are,...
Curated Video
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,...
Schooling Online
Chemistry Properties and Structure of Matter: Properties of Matter - Naming Allotropes
This lesson will present the rules for writing the names and chemical formulae of elements and their allotropes.
Definitions included: chemical structure, ionic lattice, metallic lattice, molecule, covalent network, solitary atom,...
TMW Media
Atomic Number, Mass Number & Isotopes Part 2
This program covers the very important topics known as atomic number, mass number, and isotopes. We begin by discussing the structure of the atom and how the atomic number is used to organize the periodic table. We discuss the mass...
Schooling Online
Chemistry Properties and Structure of Matter: Properties of Matter - Naming Monoatomic Ions
This lesson will introduce the rules for writing the names and chemical formulae of non-metal anions and metal cations, including metals with multiple positive oxidation states.
Definitions included: compound, cation, anion, IUPAC,...