symbols what do they mean

A shorthand representation of an element is called a symbol. The symbol of any element is the first letter or the first letter and another letter of its English name or Latin name in English alphabets. The first letter is written in capital and the second letter in small. ..

The symbol of an element is a short way of representing an element. Symbols can be formed as follows: 1) By using the first letter of the English name of the element. Hydrogen H Phosphorus P Oxygen O Sulphur S 2) By using the first and se..

The symbol of an element is a short way of representing an element. Symbols can be formed as follows: 1) By using the first letter of the English name of the element. Hydrogen H Phosphorus P Oxygen O Sulphur S 2) By using the first and second letters of the E..

Odes were originally songs, performed to the accompaniment of a musical instrumen..

Mean - Mean is the arithmetic avera..

Mean is the arithmetic average. To find mean of ungrouped data and it is obtained by adding the raw scores and dividing the sum by the number of items. There are three methods to find mean for a frequency distribution. (i) Direct method, (ii) Short-cu..

Fossil fuels are energy-rich, combustible forms of carbon or compounds of carbon formed by the decomposition of biomass buried under the Earth over millions of year..

Separation of petroleum into simpler fractions after the removal of unwanted material..

Symbols of Elements - Even before knowing what elements were, man started extracting them from their ores. A few metals like gold, silver, iron, copper, lead, tin and mercury were used even in the 1 s t century A.D. A mention of them is made in the 'Charaka Samhita' - a medical ..