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A very slightly soluble compound.

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Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.

Flammable

A liquid as defined by NFPD and DOT as having a flash point below 37.8°C (100°F).

Charle's Law

At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.

Avogadro's Number

The number (6.022x10^23) of atoms, molecules or particles found in exactly 1 mole of substance.

Unsaturated Hydrocarbons

Hydrocarbons that contain double or triple carbon-carbon bonds.

Nuclide Symbol

Symbol for an atom A/Z E, in which E is the symbol of an element, Z is its atomic number, and A is its mass number.

Exothermicity

The release of heat by a system as a process occurs.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

First Law of Thermodynamics

The total amount of energy in the universe is constant (also known as the Law of Conservation of Energy) energy is neither created nor destroyed in ordinary chemical reactions and physical changes.