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Involves a change in the composition of a nucleus and can evolve or absorb an extraordinarily large amount of energy.

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Frequency

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

Spectrum

Display of component wavelengths (colours) of electromagnetic radiation.

Differential Thermal Analysis (DTA)

A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating/cooling a sample and comparing its temperature with that of an inert reference material under similar conditions.

Nodal Plane

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

 

Eutrophication

The undesirable overgrowth of vegetation caused by high concentrates of plant nutrients in bodies of water.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Adhesive Forces

Forces of attraction between a liquid and another surface.

Fast Neutron

A neutron ejected at high kinetic energy in a nuclear reaction.

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.

Cathode Ray Tube

Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.