Fraiser Moorhouse Sulfur is a chemical element with the atomic number 16 in the periodic table. It’s the 5th most abundant element in Earth’s crust with an approximate concentration of 0.06 percent. Being a member of the oxygen group of the periodic table, this non-metallic chalcogen element has six valence electrons (3s²3p⁴) and can form compounds with … Read more
Phosphorus is a chemical element with the atomic number 15 in the periodic table. It is the eleventh most abundant element in Earth’s crust, with an occurrence of about 0.1% ppm. Due to its high reactivity, phosphorus does not occur freely in nature. Being a member of the nitrogen family of periodic table elements, this … Read more
Silicon is a chemical element with the atomic number 14 in the periodic table. With an abundance of 27.7% in Earth’s crust, it’s the second most abundant chemical element. Being a member of the carbon family of periodic table elements, this electropositive non-metal element has four valence electrons and numerous naturally occurring compounds. As the … Read more
Oxygen is a nonmetallic chemical element with atomic number 8 in the periodic table. Occurring with 467,100 ppm or 46% in Earth’s crust, it’s the most abundant element both in the thin outer layer of our planet and the human body. As a member of the oxygen family of periodic table elements, this chalcogen occurs … Read more
Nitrogen (Azote) is a chemical element with atomic number 7 in the periodic table. It’s the most abundant element on Earth. Nitrogen naturally occurs in the Earth’s atmosphere, crust, mantle, core, as well as in oceans. In Earth’s crust, this substance is present in the form of a liquid metal, while in the atmosphere nitrogen … Read more
Carbon is a chemical element with an atomic number of 6 in the periodic table of elements. It’s the 19th most abundant element found in nature. With a quantity of approximately 0.025 percent in Earth’s crust (2.00×102 milligrams per kilogram), carbon is not really plentiful. However, it is widespread and it’s one of the chemical … Read more
Boron is a metalloid with an atomic number of 5 in the periodic table of elements. It’s found in an amount of 0.00086 percent in the Earth’s crust. Being a member of the boron family of periodic table elements, this chemical substance has three valence electrons. While boron is labeled as a non-metalic element, the … Read more
Actinium is a rare-earth element that belongs to the family of actinides in the periodic table. The actinide series of elements is highly significant due to their radioactive properties. They comprise a group of 15 chemical elements that share the same chemical and physical properties. Physical and Chemical Properties of Actinium Property Value The symbol … Read more
Gold is a chemical element with an atomic number of 79 in the periodic table of elements. It’s a precious metal found in its free elemental form in the beds of streams, alluvial deposits, and rock veins. Being a member of the transition metals family of periodic table elements, gold has one valence electron that … Read more