A reaction in which an atom or a group of atoms is replaced by another atom or group of 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.
