Article: The atom.

Article: Atom probe analysis: the atom probe microscope ...
Advanced Materials & Processes;  February 1, 2004 ;     700+ words ... ... imaging. In contrast, the atom probe microscope operates ... removing and analyzing individual atoms. [FIGURE 1 OMITTED] The atom probe's unique atom-by ... specimen surface, such that atoms analyzed during atom probe microscopy are more ...

Article: ATOM
Young Students Learning Library;      700+ words ... ... up of various kinds of atoms. Think of an atom as being round like a ... up of only one kind of atom is called an element. Atoms of elements combine to ... lightest atom, the hydrogen atom, has one electron. The largest atoms have more than 100 ...

Article: atom
The Columbia Encyclopedia, Sixth Edition;      700+ words ... ... matter is composed of atoms that combine to form molecules. Discovery of the Atom's Structure In 1911 ... of the structure of an atom. Using alpha particles emitted by radioactive atoms, he showed that the atom consists of a central ...

Article: Gr-2. Atom labels and other chemically significant ...
Pure and Applied Chemistry;  February 1, 2008 ;     700+ words ... ... number of hydrogen atoms present. A labeled atom without "H" characters ... having no hydrogen atoms attached. Such an atom might have been intended ... circumstances should a labeled atom without explicitly indicated hydrogen atoms be interpreted to indicate ...

Article: Atoms
Science of Everyday Things;      700+ words ... ... be explained about the atom — particularly ... HOW IT WORKS Why Study Atoms? Many accounts of the atom begin with a history ... devoted to them. What an Atom Is BASIC ATOMIC STRUCTURE. The definitions of atoms and elements seems ...

atom.
The Columbia Encyclopedia, 6th ed.;  January 1, 2000 ;     700+ words ... ... matter is composed of atoms that combine to form molecules. Discovery of the Atom's Structure In 1911 ... of the structure of an atom. Using alpha particles emitted by radioactive atoms, he showed that the atom consists of a central ...

Article: Atom
World of Earth Science;      700+ words ...Atom Atoms and the subatomic particles that comprise them ... numbers and unique combinations that make for different atoms. Accordingly, an atom is the smallest particle of an element. Atoms share many characteristics with other material objects ...