Chemistry Notes

Learn chemistry. Here you will find a collection of chemistry notes, projects, worksheets, and labs.

Monoprotic Acid Definition and Example — Get the monoprotic acid definition and examples in chemistry. Learn how to identify a monoprotic acid with a titration curve.

Monoprotic Acid Definition and Examples

This entry was posted on May 31, 2022 by Anne Helmenstine (updated on June 6, 2022)

Boiling Point Definition — Get the boiling point definition, temperature, and examples. The boiling point of water and both simple and formal definitions are given.

Boiling Point Definition, Temperature, and Examples

This entry was posted on May 25, 2022 by Anne Helmenstine (updated on June 1, 2022)

Covalent Radius — Get the covalent radius definition and chemistry and learn about the covalent radius trend on the periodic table.

Covalent Radius Definition and Trend

This entry was posted on May 21, 2022 by Anne Helmenstine (updated on June 2, 2022)

How Many Elements Are There — Get the answer to how many elements there are on the periodic table and find out how many elements occur naturally.

How Many Elements Are There on the Periodic Table?

This entry was posted on May 17, 2022 by Anne Helmenstine (updated on June 1, 2022)

Abegg's Rule in Chemistry — Learn about Abegg's rule in chemistry. See example, exceptions and why the rule is important in the octet rule and chemical bonding.

Abegg’s Rule in Chemistry

This entry was posted on April 3, 2022 by Anne Helmenstine (updated on July 23, 2022)

Coordinate Covalent Bond Definition — Get the coordinate covalent bond definition and examples. Another name for this bond is a dative bond or dipolar bond.

Coordinate Covalent Bond – Dative Bond

This entry was posted on April 2, 2022 by Anne Helmenstine (updated on April 4, 2022)

Lewis Acid and Base Theory — Learn about Lewis acid and base theory. See examples of Lewis acids and bases and learn how they differ from Bronsted acids and bases.

Lewis Acid and Base Theory

This entry was posted on March 27, 2022 by Anne Helmenstine (updated on July 23, 2022)

Law of Definite Proportions — Learn about the law of definition proportions in chemistry. This is also called Proust's law or the law of constant composition.

Law of Definite Proportions – Law of Constant Composition

This entry was posted on March 16, 2022 by Anne Helmenstine (updated on March 24, 2022)

Isotropic vs Anisotropic — Learn the difference between isotropic and anisotropic. Get the definitions of the terms and examples in materials science and optics.

Isotropic vs Anisotropic – Definition and Examples

This entry was posted on March 12, 2022 by Anne Helmenstine (updated on March 21, 2022)