In pursuit of this mission, the Lake County Ohio Port and Economic Development Authority is unique in the services it provides for the economic welfare of our community. Our services can assist would-be entrepreneurs to large corporations, small non-profits to large institutions and communities.
A compound is a substance made from two or more elements that have reacted chemically with each other. Remember this definition as you might need it in the exam! A compound is a completely new material that will often have totally different properties from the elements that made it. For example The element sodium is a highly reactive metal. The element chlorine is a yellow-green poisonous gas (non-metal). When the two react together they form a compound called sodium chloride.
An element is any substance that consists of only one type of atom, that is all atoms have the same number of protons. A compound is a substance that has two or more element â¦ s chemically bonded together either covalently or ionically in a fixed ratio.n element is a pure substance composed of 1 type of atom. Meaning all the atoms have the same number of protons. A compound is a pure substance composed of 2 or more types â¦ of atom chemically bonded together.