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Reactions in which oxidation and reduction occur, also called redox reactions.

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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.

Effective Molality

The sum of the molalities of all solute particles in a solution.

Law of Conservation of Matter

There is no detectable change in the quantity of matter during an ordinary chemical reaction.

Nuclides

Refers to different atomic forms of all elements in contrast to ?isotopes?, which refer only to different atomic forms of a single element.

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.

Half-Cell

Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

Reactants

Substances consumed in a chemical reaction.

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Positron

A Nuclear particle with the mass of an electron but opposite charge.

Safranine

Also called "phenosafranine". A purplish-red, water-soluble dye, C18H14N4, used for textiles and as a stain in microscopy.