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Group IIA metals

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K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Formal Charge

A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.

Atom

The smallest particle of an element.

Molecular Equation

Equation for a chemical reaction in which all formulas are written as if all substances existed as molecules, only complete formulas are used.

Crystal Field Theory

Theory of bonding in transition metal complexes in which ligands and metal ions are treated as point charges, a purely ionic model, ligand point charges represent the crystal (electrical) field perturbing the metal?s d orbitals containing nonbonding electrons.

Group

A vertical column in the periodic table, also called a family.

Law of Conservation of Energy

Energy cannot be created or destroyed, it may be changed from one form to another.

Condensed Phases

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

Vapor

A gas formed by boiling or evaporating a liquid.

Functional Group

A group of atoms that represents a potential reaction site in an organic compound.