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Solid consisting of two co-crystallized salts.

 

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Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.

Periodic Table of Elements

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Heterogeneous Catalyst

A catalyst that exists in a different phase (solid, liquid or gas) from the reactants, a contact catalyst.

Ligand

A Lewis base in a coordination compound.

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.

Corrosion

Oxidation of metals in the presence of air and moisture.

Positron

A Nuclear particle with the mass of an electron but opposite charge.

20 interesting chemistry facts

20 interesting chemistry facts.

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

Effective Nuclear Charge

The nuclear charge experienced by the outermost electrons of an atom, the actual nuclear charge minus the effects of shielding due to inner-shell electrons.
Example: Set of dx2-y2 and dz2 orbitals, those d orbitals within a set with lobes directed along the x-, y-, and z-axes.