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An atomic emission or absorption spectrum.

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Rate-determining Step

The slowest step in a mechanism, the step that determines the overall rate of reaction.

Can water burn?

It’s known that water consists of atoms of molecules of oxygen and hydrogen. Since any compound with oxygen indicates the ability of the substance to burn, water is no exception. Thus, water has a surprising property of already "burnt out" compound.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Molecular Orbital Theory

A theory of chemical bonding based upon the postulated existence of molecular orbitals.

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.

Acid Anhydride

Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.

Ionization Energy

The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.

Mass Spectrometer

An instrument that measures the charge-to-mass ratio of charged particles.