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Bio Vocab Unit 1 #1

vocabulary words for unit 1 part 1 of 2

QuestionAnswer
atoms of the same element with a different number of neutrons isotope
bonds formed when one or more electrons are transferred from one atom to another ionic bond
bonds formed when electrons are shared between atoms covalent bond
a molecule in which the charges are unevenly distributed polar
an attraction between molecules of the same substance cohesion
an attraction between molecules of different substances adhesion
a material composed of two or more elements or compounds that are physically mixed together but not chemically combined mixture
substances that are dissolved solute
a mixture of two or more substances in which all of the components are evenly distributed solution
the substance in which the solute dissolves solvent
mixture of water and non-dissolved materials suspension
any compound that forms H+ ions in solution acid
compound that produces hydroxide ions (OH-) in solution base (alkaline)
indicates the concentration of H+ ions in solution pH scale
weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH buffers
atom that has a positive or negative charge ions
large molecules in cells made from thousands or hundreds of thousands of smaller molecules macromolecules
Created by: mala1404