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Naming the Elements

Periodic table of chemicals lays the known elements according to cyclic properties of elements in groups and rows. for example, alkali metals group form alkaline solutions when they are put in the water. Only the reaction rates are different. Atoms have been named based on various ways like geographical regions, mythology characters and names of scientists and countries. Atoms that have the same name have a similar appearance and similar habits. There are approximately 90 naturally occurring families of atoms. Their names have very different roots, such as: Named after geographical regions Europium Francium Polonium Germanium Hafnium Names from mythology:… Read More »Naming the Elements

Elements necessary for humans

At present there are 118 elements listed in the periodic table. Some of these elements are commonly found on the earth in the form of ores. Some are radioactive and have very short half lives. Many such elements have been synthesized in the laboratory and live for a very short time. Human body like other things existing is made of compounds which are made from the elements. Out of these 118 only some elements are connected with the human body. Although elements as such don’t make up the body it is the combined form that is molecules constitute the human… Read More »Elements necessary for humans