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The energy equivalent (E = mc^2) of the mass deficiency of an atom.  where: E = is the energy in joules, m is the mass in kilograms, and c is the speed of light in m/s^2

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Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Cyclotron

A device for accelerating charged particles along a spiral path.

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.

Metallic Conduction

Conduction of electrical current through a metal or along a metallic surface.

Solvent

The dispersing medium of a solution.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Ore

A natural deposit containing a mineral of an element to be extracted.

Creating Malachite egg

One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but effective and visual, and as a result we will get something beautiful.

Denaturation

A process pertaining to a change in structure of a protein form regular to irregular arrangement of the polypeptide chains.