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Atoms
If a water molecule could be magnified sufficiently it would be seen to consist of three smaller particles closely bound together. These three particles are ATOMS, two of hydrogen and one of oxygen.
The water is a compound, the oxygen and hydrogen are elements. Every element has atoms of its own type. There are 92 naturally occurring elements and therefore 92 types of naturally occurring atoms.Every molecule consists of atoms. Molecules of elements contain atoms of the same types, for example the hydrogen molecule consists of two atoms of hydrogen joined together, the oxygen molecule consists of two atoms of oxygen joined together, but the molecules of compound contain different atoms joined together.
Most molecules contain more than one atom but some elements can exist as single atoms. In such a case the atom is also the molecule. For example the Helium atom is also the Helium molecule.
An atom is the smallest indivisible particle of an element which can take part in a chemical change. The term ‘atomic structure' is use when talking about elements.
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
what exactly is pulse height analysis
Demonstrate the typical ultrasonic flaw detector in its reflection modes? A typical ultrasonic flaw detector into its reflection modes is as demonstrated below: Assume
1,2,3,4,5
two travelling sinusoidal waves are described by the wave function, y=55
Elevator Problem
It is the need of elastic strength of a substance when subjected to repeated stresses and strain. If the substance is reserved undisturbed for some time, the previous properties ar
Define Laterite stone. Laterite is called sedimentary rock. It has porous and spongy structure and can be simply quarried in blocks. It have high percentage of oxide of ion and
Diamagnetism is a basic property of all matter, though it is generally very weak. It is due to the no cooperative behaviour of oepenrbiting electrons when exposed to an applied mag
The rate of modification of thermo emf with the change in the temperature of the hot junction is known as thermoelectric power.
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