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A common type of dry cell.

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Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Ternary Acid

A ternary compound containing H, O, and another element, often a nonmetal.

Isomers

Different substances that have the same formula.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Atom

The smallest particle of an element.

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.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Crystalline Solid

A solid characterized by a regular, ordered arrangement of particles.

Dry Cells

Ordinary batteries (voltaic cells) for flashlights. radios, and so on, many are Leclanche cells.

Band

A series of very closely spaced, nearly continuous molecular orbitals that belong to the crystal as a whole.