AP_chapter_2_closed_notes - Chapter2Notes...

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    Chapter 2 Notes The Chemical Context of  Life
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    Concept 2.1 Organisms are composed of __________:  anything that takes up space or has  mass ___________ : a substance that cannot be  broken down by chemical reactions ___________ : substance consisting of  two or more elements in a fixed ratio
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    Concept 2.1 Life requires about 25 elements 4 of those make up 96% of living matter ________________________________ _______________________ Trace Elements are those that are  required in only minute quantities -ex. Iron, iodine
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    Concept 2.1
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    Concept 2.2 _________ : smallest unit of matter that  still retains the properties of an element ___________________ : Protons (+),  Neutrons (0), Electrons (-) Protons and Neutrons have a mass of 1  dalton.  Electrons have no mass
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  Concept 2.2 ___________________ : # of protons _______________ : sum of protons +  neutrons __________________ : different atomic  forms of an element. -ex. Carbon-12 (99%), Carbon-13 (1%), 
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This note was uploaded on 09/19/2011 for the course BIOLOGY 1510 taught by Professor --- during the Spring '11 term at Georgia State University, Atlanta.

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AP_chapter_2_closed_notes - Chapter2Notes...

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