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Ch 2 - Chem of Life
Terminology
| Term | Definition |
|---|---|
| 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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