The structure of atoms of some elements as shown (Fig. 3.9) indicate each element has a distinctive number of protons and electrons. The atom of all elements (103 known) is composed of the smallest and elementary particles. Neutrons, protons and electrons are the elementary particles. The neutron and proton occur in the centre of an atom where they form an [...]
The following article will guide you about how to calculate pH of a solution. Also learn about the physiological importance of maintaining pH. pH: The pH of a solution is defined as the negative logarithm (base 10) of the hydrogen-ion concentration, i.e., pH = -log [H+] or pH = log (1/[H+]). Calculation of pH: For calculation of pH, [H+] ion [...]
In this article we will discuss about some physico-chemical principles which plays a great role in physiology with the help of suitable diagrams. Also learn the physiological importance of each physico-chemical principles. 1. Filtration: Filtration is the process by which un-dissolved particles are separated from a liquid through a membrane as a result of a mechanical force (filtering force). It [...]