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Learn about atomic structure and properties, including an introduction to compounds on Khan Academy.
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Dalton's atomic theory explains the fundamental principles of matter and the structure of atoms.
Chemical bonds - Khan Academy
Chemical bonds hold molecules together and create temporary connections that are essential to life. Types of chemical bonds including covalent, ionic, and hydrogen bonds and London dispersion forces.
Carbon and hydrocarbons (article) | Khan Academy
The element carbon and why it's essential to life as we know it. Properties and bonding patterns of carbon atoms.
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Let's explore some of the most common polyatomic ions and learn how to write chemical formulas for compounds containing these ions.
Naming ions and ionic compounds (video) | Khan Academy
Introduction to ions. Naming ions and ionic compounds. Molecules and compounds. Naming monatomic ions and ionic compounds. Common polyatomic ions. Naming ionic compound with polyvalent ion. Worked example: Finding the formula of an ionic compound. Worked example: Formula for an ionic compound. Naming ionic compounds.
Empirical, molecular, and structural formulas - Khan Academy
Empirical formulas show the simplest whole-number ratio of atoms in a compound, molecular formulas show the number of each type of atom in a molecule, and structural formulas show how the atoms in a molecule are bonded to each other. Created by Sal Khan.
Khan Academy
Empirical formulas show the simplest whole-number ratio of atoms in a compound, molecular formulas show the number of each type of atom in a molecule, and structural formulas show how the atoms in a molecule are bonded to each other.
Khan Academy
Discover how atoms and ions come together through chemical bonding! Learn about ionic bonds, covalent bonds, polyatomic ions, and metallic bonds, and how they lead to the fascinating substances that make up our world.