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molecules of life

molecules of life vocab Mrs. Liese biology 9th grade Ridgeline High School

TermDefinition
atom smallest particle into which elements can be divided
element substances composed only of like atoms
molecule smallest unit of a chemical compound
monomer a molecule that can be bonded to other identical molecules to form a polymer
polymer molecular structure consisting of a larger number of similar units bonded together
cohesion when like molecules stick together being mutually attracted
adhesion dissimilar particles clinging to each other
hydrogen bonding a weak bond between 2 molecules resulting from a electrostatic attraction
surface tension the tension of the surface film of liquid caused by the attraction of particles in the surface layer
specific heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
solvent the dissolving agent in a solution
solute a substance that is dissolved in a solution
polar molecule molecule that has opposite ends and has opposite charges
capillary action when ]water clings to tiny tubes within the plant xylem
atomic mass # number of protons and neutrons
electrons negatively charged
valence electrons charged electrons
protons positively charged
neutrons no charge
nucleus made up of protons and neutrons has a overall positive charge
CHNOPS Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur
enzymes manage chemical reactions in the body
Created by: Nyah Lois
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