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biology vocab

TermDefinition
atom the smallest unit of matter
element substance that can't be broken down anymore
molecule the covaleny bonding of two or more atoms
compound atoms of different elements bonded together
atomic number the number of protons and electrons an element has
mass number the total number of protons and neutrons in an atoms nucliouse
atomic weight the weight of an atom
valence electrons electrons on the outter most shell
electrons an atom particale with a negative charge
protons an atom particle with a positive charge
neutrons an atom particle with no charge
isotope different forms of an element with the same number of protons but not electrons
radiosotope a radioactive isotope
electron configuration the distribution of electrons within an atom or molecule
bond two or more atoms being attracted toward each other
polar bond unequal sharing of electrons
nonpolar bond equal sharing of electrons
hydrogen bond a weak bond between two molecules that creates a electrostatic attraction within protons
solvent makes substances desolve
solution a mix of a solvent and a solute
solute desolves in a solvent
hydrophobic doesn't like water
hydrophilic attracted to water
animo acids basic unit of protein
neuceotides basic unit of nucleic acids
peptide bond a covelent bond created by animo acids
lipids fat that stores an aboundant amount of energy for the body
saturated fat hight amounts of fat molecules that don't have a double bond
saccaride sugar
specific hear (water) the amount of hear needed to change a substances form
Created by: nlosoya7590
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