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

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Emulsion

Colloidal suspension of a liquid in a liquid.

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.

Do you know: some mosquitoes bite people because of their clothes

If you have ever been bitten by a mosquito, someone nearby surely gave you an explanation of why the nasty insect decided to spoil your day. Maybe they told you that you smelt good, or you had a certain type of blood or that in that shirt you looked like a potential victim.

Nonpolar Bond

Covalent bond in which electron density is symmetrically distributed.

Ideal Gas Law

The product of pressure and the volume of an ideal gas is directly proportional to the number of moles of the gas and the absolute temperature.

Colligative Properties

Physical properties of solutions that depend upon the number but not the kind of solute particles present.

Periodic Table

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

Allotropic Modifications (Allotropes)

Different forms of the same element in the same physical state.

Coulomb

Unit of electrical charge.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.