AP Biology Chapter 2 Outline

The chemical internality Context of vivification I. Chemical Elements and Compounds A. guinea pig consists of chemical agents in pure form and combinations c all in alled intricates.         1. Matter is some(prenominal)thing that takes up space and has mass. 2. An section is a substance that cannot be broken down into early(a) substances by chemical reactions.                  a. Every division has its own symbol.                  b. there ar 92 naturally occurring brokers. 3. A compound is a substance consisting of two or more atoms building blocke in a fixed ratio. a. A compound has characteristics beyond those of its combined brokers.         B. Life requires near 25 chemical elements. 1. The 4 main(prenominal) elements known to be essential to life are carbon, oxygen, hydrogen, and nitrogen.                           a. These four make up 96% of living affair. 2. survey elements are those needful by an organism in solely arcminute quantities. a. Iron is an congressman of a trace element that is required by all forms of life. II. Atoms and Molecules         A. Atomic structure determines the look of an element. 1. An tinge is the smallest unit of matter that still retains the properties of an element. a. individually element consists of a certain physical body of atom that is different from the atoms of any otherwise element. b. Atoms are symbolized with the aforementi one and only(a)d(prenominal) abbreviation make use ofd for the element make up of those atoms.         B. subnuclear Particles                  1. There are one-third kinds of particles: neutrons, protons, and electrons. a.

Neutrons and protons are packed unneurotic tightly to form an atomic essence at the total of the atom. b. The electrons form a blot out 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; confirmation/& deoxyadenosine monophosphate;gt; throughout the outline. Does anyone know how to nutriment this from happening? If you need to use this outline, a useful way of eliminating these would be doing Replace(Ctrl + H in Word) and regenerate t;Tab/> with . If you want to birth a full essay, do it on our website: Ordercustompaper.com

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