The Chemistry of Life. Basic Concepts

The Chemistry of Life. The nature of matter Atom: the basic building block of matter. The sub fragmentic mites that puddle up atoms ar protons(+) , electrons(-) and neutrons (+/-). The protons and neutrons have closely the kindred mass. The protons argon positively heydayd shares (+) and neutrons carry no weight at all. The electron is a negatively charged particle (-) . They are in constant motion in the turn up surrounding the nucleus. Elements and Isotopes. Element: is a pure burden that make up entirely of unrivalled type of atom. Compound: is a substance organise by the chemical combination of both or more segments in definite proportions. Isotopes: atoms of the same element that differ in the number of electrons they contain. Chemical Bonds The atoms in compounds are held unitedly by various types of chemical bonds. The main types of chemical bonds are dome bonds and covalent bonds. An ionic bond is formed when one or more electrons are transferred from one atom to some other. These positively and negatively charged atoms are cognize as ions. covalent bond: formed when electrons are shared betwixt atoms. A molecule is the smallest unit of most compounds. Van der Waals Forces: frail tenderness that develops between oppositely charged regions of nearby molecules.

Properties of pee A water molecule is polar because there is a uneven distribution of electrons between the oxygen and enthalpy atoms. body of water is one of the a few(prenominal) compounds found in a naiant state everywhere most of the earths surface. manage other molecules, water is neutral. The love betw! een a hydrogen atom with a partial positive charge and another atom with a particular negative charge is known as a hydrogen bond. Hydrogen bond is not as plastered as covalent or ionic bond. Cohesion: is an friendship between molecules of the same substance. Adhesion: is an attraction between molecules of incompatible substances. Solutions and suspensions * A mixture is a literal composed of two or more...If you want to get a full essay, vagabond it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper