Oxygen (O) has an atomic number of eight. This odorless, colorless gas has eight protons in the nucleus, and is pale blue in its liquid and solid states. Interesting Oxygen Facts: One fifth of the Earth's atmosphere is made up of oxygen and is the third most abundant element in the universe by mass.
These can be found in nature in both free and combined states. The oxygen family, also called the chalcogens, consists of the elements found in Group 16 of the periodic table and is considered among the main group elements. It consists of the elements oxygen, sulfur, selenium, tellurium and polonium.
Sulfur occurs naturally as the element, often in volcanic areas. This has traditionally been a major source for human use. It is also widely found in many minerals including iron pyrites, galena, gypsum and Epsom salts. Elemental sulfur was once commercially recovered from wells by the Frasch process.
Sulfur (S) is a bright yellow non-metallic element with an atomic number of sixteen. It is a naturally occurring element, but can also be extracted from common minerals. Interesting Sulfur Facts: Sulfur has been in use since ancient times and is mentioned in the Bible and the Torah.
History and Uses: Sulfur, the tenth most abundant element in the universe, has been known since ancient times. Sometime around 1777, Antoine Lavoisier convinced the rest of the scientific community that sulfur was an element. Sulfur is a component of many common minerals, such as galena (PbS), gypsum (CaSO.