David Werner M.D. is a male health care provider in State College, PA with Ophthalmologist listed as his primary specialization. His credentials are: M.D.. He graduated from University Of Vermont College Of Medicine in 1973 (around 45 years of experience). He lists the following medical group affiliations: Werner Eye Associates, P.c. His office phone number, address, ratings, services provided, comparisons, and specializations can be viewed below.
A molecule is formed when atoms join together by chemical bonds. There are over a hundred different types of atom, called elements. The atoms of a particular element are identical to each other.
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.