Elements

Elements are the smallest units of matter that can’t be divided using chemical means. They are the building blocks of matter. Learn the names of the elements and get facts about them.

Elements found in nature — There are 118 elements on the periodic table, but how many of these elements can be found in nature? Some of the elements on the periodic table are strictly man-made and do not exist in nature. A few elements exist naturally but are found only in trace amounts. This table […]

What are the Naturally Occurring Elements? – Elements Found In ...

This entry was posted on June 12, 2018 by Todd Helmenstine (updated on June 28, 2018)

Abundance of Elements Earth Crust Periodic Table — Earth’s crust contains nearly all of the naturally occurring elements. This table and periodic table shows the relative abundance of elements in the Earth’s crust. Each element is represented by its atomic number, symbol, name, and abundance in milligrams per kilogram of Earth’s crust. Since 1 milligram is one-millionth of […]

Abundance of Elements in Earth’s Crust – Periodic Table and ...

This entry was posted on May 23, 2018 by Todd Helmenstine

Seawater Element Abundance — Earth’s oceans cover 71% of the surface of the planet. Even a casual inspection will tell you there is more to seawater than just water. You would expect the two most common elements to be water itself, hydrogen and oxygen. What else is found in Earth’s oceans? These tables answer […]

Abundance of Elements in Earth’s Oceans – Periodic Table and ...

This entry was posted on May 20, 2018 by Todd Helmenstine (updated on May 26, 2018)

Trivalent and hexavalent chromium are the two common forms of the element. This is chromium(VI) oxide. (BXXXD) — Hexavalent chromium is a toxic metal you can be exposed to that can cause serious health effects. Here is what hexavalent chromium is, what it does, and how to protect yourself against it. Other Names for Hexavalent Chromium Hexavalent chromium is also known as Cr(VI), Cr-6, chromium-6, Hex Chrom, Hex […]

Hexavalent Chromium – What You Need to Know

This entry was posted on January 26, 2018 by Anne Helmenstine

yuansu zhouqi biao — Have you ever wondered if the names of elements are the same in other languages? Different languages have different words for the same thing, why should the elements be any different? This table is a list of the elements in Chinese and English arranged by atomic number. The last column […]

List of Elements in Chinese

This entry was posted on December 3, 2017 by Todd Helmenstine (updated on December 3, 2017)

genso shuuki-hyou — Have you ever wondered if the names of elements are the same in other languages? Different languages have different words for the same thing, why should the elements be any different? This table is a list of the elements in English and Japanese arranged by atomic number. The last column […]

List of Elements in Japanese

This entry was posted on October 15, 2017 by Todd Helmenstine (updated on December 3, 2017)