Chemistry in Biology Crossword

the basic unit of a chemical element
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge
a subatomic particle of about the same mass as a proton but without an electric charge,
a stable subatomic particle with a charge of negative electricity
pure substance composed of only one type of atom
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
formed when two or more elements combine
chemical bond that involves the sharing of electron pairs between atoms
a group of atoms bonded together
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
complete transfer of valence electron(s) between atoms
attractive forces between molecules
a process that involves rearrangement of the molecular or ionic structure of a substance,
a substance that takes part in and undergoes change during a reaction.
a thing or person that is the result of an action or process
the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
the substance on which an enzyme acts.
a region on an enzyme that binds to a protein or other substance during a reaction.
molecule with oppositely charged regions
a substance made by mixing other substances together
a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
able to dissolve other substances
the minor component in a solution, dissolved in the solvent.
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red;
8-14 on pH scale
a figure expressing the acidity or alkalinity of a solution
a solution that resists changes in pH when acid or alkali is added to it.
a molecule containing a very large number of atoms