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Chemical bonding resulting from the transfer of one or more electrons from one atom or a group of atoms to another.

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Isotopes

Two or more forms of atoms of the same element with different masses, atoms containing the same number of protons but different numbers of neutrons.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Percent Purity

The percent of a specified compound or element in an impure sample.

Valence Bond Theory

Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.

Quantum Numbers

Numbers that describe the energies of electrons in atoms, derived from quantum mechanical treatment.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.

Safranine

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

Spectral Line

Any of a number of lines corresponding to definite wavelengths of an atomic emission or absorption spectrum, represents the energy difference between two energy levels.

 

Condensed Phases

The liquid and solid phases, phases in which particles interact strongly.