Biology chapter 2 vocab

chemical reaction

A substance that changes the rate of a(n) ________ without being consumed or changed significantly.

subatomic particle

A(n) ________ that has no charge and is located in the nucleus of an atom.

homogeneous mixture

A(n) ________ throughout which two or more substances are uniformly dispersed.

number of hydronium ions

Any compound that increases the ________ when dissolved in water.

particular substance

The amount of a(n) ________ in a given quantity of a mixture, solution, or ore.

RNA

A type of protein or ________ molecule that speeds up metabolic reactions in plant and animals without being permanently changed or destroyed.

number of hydroxide ions

Any compound that increases the ________ when dissolved in water.

sum of all chemical

The ________ processes that occur in an organism.

chemical change

A(n) ________ in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electron.

single material

The force that holds molecules of a(n) ________ together.

chemical bonds

A substance made up of atoms of two or more different elements joined by ________.

fundamental property

A measure of the amount of matter in an object; a(n) ________ of an object that is not affected by the forces that act on the object, such as the gravitational force.

solvent

In a solution, the substance that dissolves in the ________.

electronnegative atom

The intermolecular force occurring when a hydrogen atom that is bonded to a highly ________ of one molecule is attracted to two unshared electrons of another molecule.

weak acid

A solution made from a(n) ________ and its conjugate base that neutralizes small amounts of acids or bases added to it.

tiny blood vessel

A(n) ________ that allows an exchange between blood and cells in tissues.

subatomic particle

A(n) ________ that has a positive charge and that is found in the nucleus of an atom.

chemical reaction

A substance or molecule that participates in a(n) ________.

chemical reaction

A substance that forms in a(n) ________.

subatomic particle

A(n) ________ that has a negative charge.

the OH

ion