Chemistry

Learn about chemistry, the study of matter and its reactions. Find projects, study notes, periodic tables, and worked example problems.

Factors That Affect Chemical Reaction Rate — Learn about the factors that affect reaction rate. See how chemical kinetics can make reactions faster.

Factors That Affect Reaction Rate – Chemical Kinetics Recently updated !

This entry was posted on October 29, 2020 by Anne Helmenstine (updated on October 29, 2020)

Atoms, Molecules, Compounds — Get the compound definition in chemistry. See examples of compounds and learn how they differ from molecules.

What Is a Compound in Chemistry? Definition and Examples Recently updated !

This entry was posted on October 24, 2020 by Anne Helmenstine (updated on October 24, 2020)

Francium Element Facts — Get interesting francium element facts. Francium is atomic number 87 with element symbol Fr.

Francium Facts – Atomic Number 87 Element Symbol Fr Recently updated !

This entry was posted on October 22, 2020 by Anne Helmenstine (updated on October 22, 2020)

Why Water Is a Polar Molecule — Learn why water is a polar molecule. See how electronegativity and molecular geometry give water polarity.

Why Is Water a Polar Molecule?

This entry was posted on October 21, 2020 by Anne Helmenstine (updated on October 21, 2020)

How Much Is One Mole of Water? Mass and Volume — Find out the mass and volume of one mole of water. See the calculation and learn about the size of Avogadro's number.

How Much Is a Mole of Water? Mass and Volume

This entry was posted on October 20, 2020 by Anne Helmenstine (updated on October 20, 2020)

What Is a Solid? Definition and Properties — Get the definition of a solid in chemistry and other sciences. Learn the properties of solids and see examples.

What Is a Solid? Definition and Examples in Science

This entry was posted on October 19, 2020 by Anne Helmenstine (updated on October 19, 2020)