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A proton acceptor

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Lead Storage Battery

Secondary voltaic cell used in most automobiles.

Substance

Any kind of matter all specimens of which have the same chemical composition and physical properties.

 

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

Double Salt

Solid consisting of two co-crystallized salts.

 

Periodic Table of Elements

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

Can water burn?

It’s known that water consists of atoms of molecules of oxygen and hydrogen. Since any compound with oxygen indicates the ability of the substance to burn, water is no exception. Thus, water has a surprising property of already "burnt out" compound.

Formula Unit

The smallest repeating unit of a substance. The molecule for nonionic substances

Crystal Lattice Energy

Amount of energy that holds a crystal together, the energy change when a mole of solid is formed from its constituent molecules or ions (for ionic compounds) in their gaseous state.

Bonding Orbital

A molecular orbit lower in energy than any of the atomic orbitals from which it is derived, lends stability to a molecule or ion when populated with electron.