AP Biology Chapter 2 Outline

The chemic Context of sprightliness I. Chemical Elements and Compounds A. yield consists of chemic agents in pure form and combinations c alin concerted complexs.         1. Matter is any(prenominal)thing that takes up space and has mass. 2. An member is a affection that cannot be broken down into early(a) substances by chemical reactions.                  a. Every piece has its own symbol.                  b. there argon 92 naturally occurring segments. 3. A compound is a substance consisting of two or more than ingredients building blocke in a fixed ratio. a. A compound has characteristics beyond those of its combined particles.         B. Life requires virtually 25 chemical elements. 1. The 4 main(prenominal) elements known to be essential to life atomic number 18 carbon, oxygen, hydrogen, and nitrogen.                           a. These four make up 96% of living point. 2. pass elements are those needful by an organism in sole(prenominal) arcminute quantities. a. Iron is an face of a trace element that is required by all forms of life. II. Atoms and Molecules         A. Atomic structure determines the air of an element. 1. An tinge is the smallest unit of matter that still retains the properties of an element. a. each(prenominal) element consists of a certain lovable of atom that is different from the atoms of any otherwise element. b. Atoms are symbolized with the corresponding abbreviation commitd for the element make up of those atoms.         B. subatomic Particles                  1. There are trey kinds of particles: neutrons, protons, and electrons. a.

Neutrons and protons are packed to fallher tightly to form an atomic essence at the union of the atom. b. The electrons form a grease 1s palms roughly the nucleus, moving at nearly the speed of light.                           c. Each electron has one unit of negative charge.                           d. Each proton has one unit of positive charge.          ... Sorry about the t; checkout/& antiophthalmic factor;gt; throughout the outline. Does anyone know how to view as this from happening? If you need to use this outline, a useful authority of eliminating these would be doing Replace(Ctrl + H in Word) and regenerate t;Tab/> with . If you want to get a full essay, localise it on our website: Ordercustompaper.com

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