Check us out at http://www.tutorvista.com//videos Atomic Structure To review, an atom consists of a small, dense nucleus containing all of its protons and neutrons, surrounded by electrons that fill the remaining volume of the atom. The atom stays electrically neutral because the number of protons and electrons are usually equal. In this section, the structure of atoms and the chemical properties will be studied, and the number of electrons and the way they are distributed generally determine them. Chemical Bonding: Introduction Atoms of almost every element has the ability to combine with other atoms to form more complex structures. The forces of attraction that bind them together are chemical bonds. To understand chemistry, the nature and origin of chemical bonds is important, since the basis of chemical reactions is the forming and the breaking of bonds and the changes in bonding forces. There are two main classes of bonding forces: covalent bonds and ionic bonds. Covalent bonding deals with the sharing of electrons between atoms. Ionic bonding deals with the transfer of electrons between atoms.
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