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Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

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Molarity

Number of moles of solute per litre of solution.

The most expensive metal in the world

Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.

Electrolysis

Process that occurs in electrolytic cells.

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

Chemical Bonds

The attractive forces that hold atoms together in elements or compounds.

Low Spin Complex

Crystal field designation for an inner orbital complex, contains electrons paired t2g orbitals before eg orbitals are occupied in octahedral complexes.

Polydentate

Refers to ligands with more than one donor atom.

Hydride

A binary compound of hydrogen.

 

Solubility Product Principle

The solubility product constant expression for a slightly soluble compound is the product of the concentrations of the constituent ions, each raised to the power that corresponds to the number of ions in one formula unit.