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A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

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Fast Neutron

A neutron ejected at high kinetic energy in a nuclear reaction.

Covalent Bond

Chemical bond formed by the sharing of one or more electron pairs between two atoms.

S Orbital

A spherically symmetrical atomic orbital, one per energy level.

Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

Nuclide Symbol

Symbol for an atom A/Z E, in which E is the symbol of an element, Z is its atomic number, and A is its mass number.

Electrolytic Cells

Electrochemical cells in which electrical energy causes nospontaneous redox reactions to occur. An electrochemical cell in which chemical reactions are forced to occur by the application of an outside source of electrical energy.

Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."

Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

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.