A&P (Appendix A) Basic Chemistry Vocabulary Terms.txt

a substance that increases the concentration of hydrogen ions in a water solution

blood that is too acidic

blood is too basic

a negatively charged ion

the smallest particle of an element that can be part of a chemical reaction

the unit of measurement for combined atomic and molecular weights

the number of protons that an element contains

the average mass of an element's atoms

a substance that decreases the concentration of hydrogen ions

any substance that can reversibly bind H+

fast-acting defenses for acid-base changes, providing almost immediate protection against changes in the hydrogen ion concentration of extracellular fluid.

substances that increase the reaction speed, but are unchanged themselves at the end of the reaction.

a positively charged ion

pure substances consisting of atoms combined in specific ratios that can be split into simpler substances by chemical reactions

a state of balance in a chemical reaction

combinations of individual symbols

a change in the chemical makeup of a substance

a change brought about by the interaction of one or more chemicals

a partial charge in an atom that can be either negative or positive

satls that break up into ions

a subatomic particle that is negatively charged and spins around the outside of the atom's nucleus

a pure substance that contain only one type of atom

a chemical reaction that requires energy and absorbs heat

the measurement of the heat of a reaction

protein catalysts designed to speed up the rate of specific biochemical reactions

a chemical reaction that releases heat

a weak electrostatic attraction between two atoms on different molecules, usually involving hydrogen and either oxygen or nitrogen

easily dissolved in water

not easily dissolved in water

electrically charged particles

atoms with the same atomic number, but a different mass number

is a bond that is formed when two atoms react in such a way that their electrons are transferred from one atom to another

the sum of the number of protons and neutrons in an atom

any substance that has mass and occupies space

the concentration of electrolytes in a certain volume of solution

the result of blending two or more substances together

a unit of base measure of atoms in which one mole of substance has a mass that is equal to the molecular weight of the substance

the chemical term for the strenght of solutions, which is expressed in terms of the numbers of moles of solid dissolved in solvent to yield a given volume of solution

the average mass of a substance's molecules

the smallest particle of a compound that still retains the properties of that compound

a subatomic particle that is not charged and located in the nucleus of the atom

the center of an atom where the protons and neutrons are located

the study of the chemistry of compounds that contain carbon, as well as related compounds

a table that contains the symbols, chemical properties, and full names of all the elements

end result of a chemical reaction

a positively-charged subatomic particle located in the nucleus of the atom

a substance that is uniform in its composition and chemical properties and connot be easily separated

the precursor or starting substance of a chemical reaction

small divisions of atoms that cannot be distinguished separately as different elements

compounds that dissolve in water and separate into their original ions