In this article we will discuss about Atoms. After reading this article you will learn about: 1. Atomic Structure of Atom 2. Atomic Number and Atomic Weight. Atomic Structure of Atom: Dalton's concept of indivisibility of the atom was discarded after the discovery of various fundamental particles like electron, proton, neutron, positron, etc., which constitute atoms of all elements. The [...]
Historical Perspective on Plant Physiology! It is important to know the history of plant physiology in order to understand the contemporary concepts in this subject. Looking back, we find that the progress of science was for obvious reasons very slow in the eighteenth and the first half of the nineteenth century. However, the importance of photosynthesis concerned only the gas [...]
The following points highlight the four important chemical aspects of elements. The aspects are: 1. Isotopes 2. Radioactivity 3. Acids and Bases 4. Hydrogen Ion Concentration (pH Scale). Chemical Aspect of Element # 1. Isotopes: The entity of an element is solely determined by the nuclear charge, i.e., the atomic number. In other words, the properties of an element are [...]