An element is a substance that contains the same type of atom throughout it (e.g. Iron has only Iron atoms in it.) A trace element is an element with less than 100 parts per million in a sample.
Trace elements are any elements which are found in "trace" (very small) quantities in something. For example the major elements found in humans are Carbon, Oxygen and Hydrogen but small amounts of...
The primary "elements of life" are the CHON elements; Carbon, Hydrogen, Oxygen, and Nitrogen. However, nearly EVERY "trace element" is essential for most life here on Earth. For us human beings, some...
Elements in the human body which are considered trace elements are: Lithium - Li Strontium - Sr Aluminium - Al Silicon - Si Lead - Pb Vanadium - V Bromine - Br Arsenic - As