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What Is A Bronsted Base

In 1923, chemists Johannes Nicolaus Brønsted and Thomas Martin Lowry independently developed definitions of acids and bases based on the... View Article

What Is The Optical Axis

Optical axis of a lens is an imaginary straight line which passes through the geometrical centre of a lens joining the two centres of curvature... View Article

How Are Compounds Formed

When two elements are combined through a chemical reaction then a compound forms. For example water is a compound formed from the combination of... View Article

Is 43 A Prime Number

A prime number is a whole number with exactly two integral divisors, 1 and itself. Any number greater than 2 which is a multiple of 2 is not a... View Article