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A device used for accelerating charged particles along a straight line path.

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Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.

Avogadro's Number

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

Heat of Fusion

The amount of heat required to melt one gram of solid at its melting point with no change in temperature. Usually expressed in J/g. The molar heat of fusion is the amount of heat required to melt one mole of a solid at its melting point with no change in temperature and is usually expressed in kJ/mol.

Tyndall Effect

The scattering of light by colloidal particles.

Amphiprotism

Ability of a substance to exhibit amphiprotism by accepting donated protons.

Nodal Plane

A region in which the probability of finding an electron is zero.

 

Chemistry is a familiar school subject

Everyone liked to observe the reaction of reagents. But few know interesting facts about chemistry, which we will discuss in this article.

Weak Electrolyte

A substance that conducts electricity poorly in a dilute aqueous solution.

Frequency

The number of repeating corresponding points on a wave that pass a given observation point per unit time.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.