Chemistry - A Molecular Science

Appendix E © by North Carolina State University ...

Glossary A Absolute (or Kelvin) temperature scale is used for the temperature in all calculations involving T. The unit is the k ...

Glossary Angular momentum (L) is a property of a rotating object. It is equal to the mass of the object times its velocity times ...

Glossary Boiling point elevation (Δ Tb ) is the increase in the boiling point caused by the addition of a non-volatile solute to ...

Glossary The collision frequency is the number of collisions per unit volume per unit time, which normally has units of (moles o ...

Glossary Density is the mass to volume ratio of a substance or solution. d = m/V The density of states is the number of allowed ...

Glossary Electronegativity ( )χ is a relative measure of the ability of an atom to attract bonding electrons to itself. Atoms wi ...

Glossary Formal charge is the charge an atom would have if the bonds were completely covalent, i.e. , if its bonding electrons w ...

Glossary Hybridization is the process by which hybrid orbitals are produced from atomic orbitals. A hydrate is a compound with a ...

Glossary Kinetic-molecular theory is the model used to explain the ideal gas law. One of its postulates is that the average kine ...

Glossary The mechanical surroundings is that portion of the surroundings that exchan ges energy with the system in the form of w ...

Glossary Non-ionizing radiation , such as visible light, does not have sufficient energy to ionize matter. Nonmetals are element ...

Glossary The percent yield is the fraction of the theoretical yield, expressed as a percent, that is actually isolated in a chem ...

Glossary A quantum number is a number (usually an integer) that designates an allowed state. All atomic and molecular states (e. ...

Glossary A semipermeable membrane allows the passage of solvent molecules but not of solute particles. Shell See level. Shieldin ...

Glossary Stereoisomers have the same connectivities but different spatial arrangements of their atoms. The steric factor in kine ...

Glossary U The uncertainty principle states that it is impossible to know both the position and speed of subatomic particles to ...

Useful tables Select a table in the bookmark panel to navigate to it. Acid-Base Table (Table 12.3) • Bond Energies and Bond Le ...