Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most abundant and perhaps the most important to human life. Everywhere you look ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature of ...

An element’s chemical symbol is a single capital letter or a capital letter followed by a lower case letter. What is carbon? Find out about the structure and properties of the element carbon.

The first 94 chemical elements, up to plutonium ... This particle diagram shows a mixture made up of water and carbon dioxide. The water molecules each have two white hydrogen atoms and one ...

Mass balance ensures that the carbon formerly locked up in biomass ... Life on Earth depends on the recycling of essential chemical elements. While an organism is alive, its chemical makeup ...

Humans are made of many chemical elements that work together ... At the heart of our biological composition are four elements: oxygen (O), carbon (C), hydrogen (H) and nitrogen (N).

The breakthrough disrupts long-held theories about the chemistry of the elements that follow ... for the formation of a chemical bond between berkelium and carbon has been obtained.

Most organic compounds contain carbon and hydrogen, but they may also include any number of other elements (e.g., nitrogen ... Petroleum is also the raw material for many chemical products (e.g., ...

For example, most carbon (≈ 99 % ... and thus are heavier than the more common stable isotope for those elements. Both heavy and light stable isotopes participate freely in chemical reactions and in ...

Biogeochemistry is the study of how chemical elements flow through living systems and their physical environments. It investigates the factors that influence cycles of key elements such as carbon ...