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Ch 2 - Chem of Life

Terminology

TermDefinition
anion An ion that has more electrons than protons giving off a negative electrical charge
atom Basic unit of matter consisting of protons, electrons and neutrons
cation An ion that consists of more protons than electrons giving off a positive electrical charge
compound A combination of two or more elements
deoxyribonucleic acid A type of nucleic acid that consists of all the human genetic information that coiled into chromosomes found in all nuclei of cells comprised of adenine, guanine, cytosine and thymine
element Anything that has matter
inorganic A type of matter than does not contain carbon or hydrogen atoms found in all inanimate objects
isotope A chemical variant that has the same number of protons but a differing number of neutrons making the element unstable
ion Atoms or molecules with electrons not equal to the number of protons giving off a positive or negative charge
matter Anything that occupies space
molecule A combination of atoms that are held together by chemical bonds
nucleic acid The basic foundation to all living matter such as DNA and RNA
organic A type of matter that contains carbon and hydrogen and is found in all biological systems that can further decompose
pH The measurement of hydrogen ions in a solution
ribonucleic acid A type of nucleic acid found in all living matter composed of adenine, cytosine, guanine, and uracil and is responsible for synthesizing proteins
radioisotope A chemical variant with differing numbers of neutrons causing instability and radioactive emission of gamma alpha or beta particles as chemical decays. This chemical decay, also called half-life is synthesized and used in nuclear medicine and radiology
Created by: Stoddardt
 

 



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