Monthly Archives: July 2021

Spectator Ions — Learn about spectator ions in aqueous solutions. See how to identify them and how to cancel them out to write the net ionic equation.

Spectator Ions in Aqueous Solution

This entry was posted on July 31, 2021 by Anne Helmenstine (updated on December 22, 2021)

Is Blood Blue? The Answer is No — Learn whether blood is blue in veins or in the body. Explore what's going on with deoxygenated blood.

Is Blood Blue in Veins or the Body?

This entry was posted on July 29, 2021 by Anne Helmenstine (updated on August 9, 2021)

Difference Between Isopropyl Alcohol and Ethyl Alcohol — Learn the difference between isopropyl alcohol and ethyl alcohol. See which you can drink and which is a better disinfectant.

Difference Between Isopropyl Alcohol and Ethyl Alcohol

This entry was posted on July 28, 2021 by Anne Helmenstine (updated on August 2, 2021)

Noble Gas Configuration — Learn about the noble gas configuration of atoms. Get a list of electron configurations for all 118 elements.

Noble Gas Configuration – Shorthand Electron Configuration

This entry was posted on July 27, 2021 by Anne Helmenstine (updated on January 30, 2023)

What Does a Tornado Sound Like — Find out what a tornado sounds like. Get examples of sounds that resemble tornadoes.

What Does a Tornado Sound Like?

This entry was posted on July 25, 2021 by Anne Helmenstine (updated on May 16, 2023)

Vulcanization of Rubber — Learn about the vulcanization of rubber. See the chemicals and learn how the process works.

Vulcanization of Rubber

This entry was posted on July 24, 2021 by Anne Helmenstine (updated on August 3, 2021)

Zwitterion Definition and Example — Get the zwitterion definition and examples. Learn about the properties and uses of zwitterions in chemistry.

Zwitterion Definition and Examples

This entry was posted on July 22, 2021 by Anne Helmenstine (updated on August 5, 2021)

Hydronium Ion or Oxonium — Get facts about the hydronium ion or oxonium. Learn how it forms and why it is important for pH calculations and other chemistry.

Hydronium Ion or Oxonium

This entry was posted on July 21, 2021 by Anne Helmenstine (updated on August 13, 2022)

Single, Double, and Triple Bonds — Learn about single, double, and triple bonds. Get examples of compounds and learn the properties of these types of covalent bonds.

Single, Double, and Triple Bonds

This entry was posted on July 20, 2021 by Anne Helmenstine (updated on January 3, 2023)