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18 Cards in this Set

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  • Back
Solute
A substance dissolved in water
Solvent
A liquid into which a solute has dissolved
Ionic bond
A chemical linkage between two atoms based on the electrical attraction between positive and negative charges
Ion
An atom or group of atoms that has either gained or lost electrons andtherefore has a negative or positive charge
Hydrogen bond
The interaction between an electropositive H of one polar molecule and the electronegative O or N of another polar molecule
Electron
A negatively charged particle found in atoms. Each atom contains a characteristic number of electrons
Proton
A positively charged particle found in atoms. Each atom contains characteristic number of protons.
Neutron
A particle found in the nucleus of an atom that has no electrical charge
Isotope
A variant form of a chemical element that differs in its number of neutrons, and thus in atomic mass number, from the most common form of that element
Atomic mass
The sum of the number of protons and neutrons found in the nucleus of an atom of a particular chemical element
Atomic number
The number of protons found in the nucleus of an atom of a particular element
Nonpolar
Of or referring to a molecule or a portion of a molecule that has an equal distribution of atoms. Cannot dissolve in water
Polar
Of or referring to a molecule or a portion of a molecule that has an uneven distribution of electrical charge. Soluble in water
Hydrophobic
Or of referring to molecules or parts of molecules that do not interact freely with water. Capable of dissolving in fats and oils
Hydrophilic
Of or referring to molecules or parts of molecules that interact freely with water. Do not easily dissolve in fats or oils
Acid
A chemical compound that can give up a hydrogen ion
Base
A chemical compound that can accept a hydrogen ion
pH
The concentration of hydrogen ions in a solution. Above pH 7 indicates bases, below indicate acids