Oxygen Define Oxygen? Physical, Chemical Properties of Oxygen? It is a colorless, tasteless, odorless air element that comprises 21 percent of the atmosphere and is found in water, most rocks and minerals, and in many organic compounds. It is capable of mixing...
Periodic Table Periodic Table, also called a table of chemical elements, arranged by atomic number, electron configuration, and repeating chemical properties. The structure of the periodic table shows periodic trends. The seven rows of the table, called Periods, are usually the...
Carbon 13 Carbon 13 (13c) is a natural, stable isotope of carbon with a nucleus consisting of six protons and seven neutrons. As one of the environmental isotopes, it constitutes 1.1% of all-natural carbon on Earth. Carbon 13 Detection by...
Hydrogen It is a chemical element whose atomic number 1 and its symbol is H. It has a standard atomic weight of 1.008, which means it is the lightest element in the periodic table. Hydrogen is the most common chemical element...
Definition of Lewis Base What is Lewis Base? Definition, Theory & Examples: Excessive or molecular chemical species whose localization is HOMO (most commercial molecular orbital) acts as the Lewis base. These chemical species have the ability to donate an electron pair...
Definition of Lewis acid What is Lewis Acid? Definition, Theory & Examples Lewis acid is a chemical species that has an empty orbital that is able to accept an electron pair from the Lewis base to form a Lewis adduct. Lewis...
Carbon dioxide It is a colorless gas that has a density of about 60% higher than dry air. Its chemical formula is CO2. Carbon dioxide consists of a carbon atom that is double bonded to two oxygen atoms collectively. It occurs...
Radium Radium: Description, Properties, Symbol, and Occurrence? It is a chemical element with the symbol Ra, and the atomic number of radium is 88. This is the sixth element in group 2 of the periodic table, also known as alkaline earth...
What is Coronavirus (COVID-19)? How it spread, diagnose & treated? A new virus called Acute Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has been identified as the cause of the outbreak of the disease in China in 2019. This disease is known...
What is Covalent Bond? Definition, Structure & Properties? Covalent bonding, also called atomic bonding, is a chemical bond that shares electron pairs between atoms. These electron pairs are called shared pairs or bond pairs, and the constant equilibrium of attractive and...
