what do different symbols mean

Sl. No Nobel Gas Symbol 1. Helium He 2. Neon Ne 3. Argon Ar 4. Krypton Kr 5. Xenon Xe 6. Radon Rn The names of the elements had originated from different sources in different ways. Some of them are discussed here. For exampl..

Two arithmetic means are inserted between 31 and 64. What is the common difference? => 11 or 33 or 16 or 9..

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..

Being Alive - What does it mean? - Living organisms, like any non-living matter, are composed of some basic elements. The same physical laws such as gravitation, magnetism, thermodynamics etc., also bind living organisms. Yet, living organisms differ from non-living in..

The square root of mean square speed is called root-mean-square speed or rms speed. It is denoted by the symbol v rms . Thus, Equation (iv) may be written as ..

According to the assumptions of kinetic theory of gases, the free path traveled between two successive collisions will be a straight line with constant velocity. This means the path of a single gas molecule consists of a series of short zigzag path of different lengths. The ..

If two samples have means of 24 and 28 and standard deviations of 4 and 6, with 12 and 15 as the sizes, find the z score for difference of two population means. => 2.07 or 7.73 or 1.07 or 1.93..