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An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table, about 80% of the known elements are metals.

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Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Radiation

High energy particles or rays emitted during the nuclear decay processes.

Actinides

Elements 89 to 103 (between lawrencium and actinium) on the periodic table. Only the first four have been found in nature in appreciable amounts. The remainder have been produced synthetically.

Three ways to make patina at home

The first way is ammonia patination. To do this, take a plastic container. Put a couple of paper or ordinary towels at the bottom. Moisten them with ammonia. Then sprinkle with large table salt.

Percent by Mass

100% times the actual yield divided by theoretical yield.

Magnetic Quantum Number (mc)

Quantum mechanical solution to a wave equation that designates the particular orbital within a given set (s, p, d, f ) in which a electron resides.

Plasma

A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.

Reversible Reaction

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

Dispersed Phase

The solute-like species in a colloid.

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.