A mineral is a naturally occurring substance that is solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and has an ordered atomic structure....
Metals versus Non-Metals There are 118 elements identified element so far, the latest being ununseptium in 2010. Of the 118 known elements, only the first 98 are known...
The following table differentiates between metals and non metals with their general properties. Metals Non Metals Except mercury, all metals all solids at room temperature Non-metals can be...
Group 2 of the periodic table is known as Alkaline earth metals and it includes the Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium...
This family is Group 1 of the periodic table and includes lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Hydrogen is a nominal...
Structure of the Periodic Table: The periodic table has 7 horizontal rows which are called periods and 18 vertical columns which are called groups. Please note that there...
Periodic Classification: The arrangement in which the substances of the same properties reappear again at regular interval based upon some fundamental properties is called Periodic classification or Periodical...
Elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, the number of protons in its nucleus. They...
