Ch. 2.1 and 2.2 Vocabulary

Front

Attraction of molecules of different substances

Back

Adhesion: The tendency of different kinds of molecules to cling to each other.

Front

Compound that releases OH- ions into a solution

Back

Base: A substance that increases the concentration of hydroxide ions (OH-) in a solution.

Front

Dissolving substance in a solution

Back

Solvent: The substance in which the solute dissolves, typically present in greater amount.

Front

Uneven distribution of charges in a molecule

Back

Polarity: A characteristic of molecules that have a positive and negative end due to unequal sharing of electrons.

Front

Neutral charged subatomic particle bound to protons in the nucleus

Back

Neutron: A subatomic particle found in the nucleus of an atom, with no electric charge.

Front

Substance that donates H+ ions in a solution

Back

Acid: A substance that increases the concentration of hydrogen ions (H+) in a solution.

Front

The measure of how much solute can dissolve in a solvent at a given temperature

Back

Solubility: The ability of a substance to dissolve in a solvent.

Front

The force that holds two atoms together in a molecule

Back

Chemical Bond: The attraction between atoms that allows the formation of chemical substances.

Front

The smallest unit of a chemical element

Back

Atom: The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

Front

A mixture where the composition is uniform throughout

Back

Homogeneous Mixture: A mixture in which the components are evenly distributed and not easily distinguishable.