SINCE no natural constants are more used by chemists than the atomic weights ... concerning the periodic system of the element. In the compilation of the following table the chief emphasis ...

National Cancer Institute researchers have developed a method called HORNET for characterizing 3D topological structures of large and flexible RNA molecules. Scientists used atomic force ...

This video is an interactive lesson in calculating an atom’s mass and atomic number. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of ...

was less than the atomic mass (average mass of the atom). For example, a helium atom has an atomic mass of 4, but an atomic number (or positive charge) of 2. Since electrons have almost no mass ...

The National Medical Commission (NMC) released the NEET UG 2025 syllabus, covering Physics, Chemistry, and Biology. T ...

Class 10 and Class 12 practical exams will begin on January 1, 2025, and continue until February 14, 2025. Know more details ...

propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.

As plans were being drawn for a Radium Institute, Pierre Curie (a professor and man of equal genius) was run over and killed ...

Bihar Board 12th Chemistry model sample papers for the 2025 board exams are out at biharboardonline.com. Get here Bihar board ...

The National Testing Agency (NTA) has finally released the JEE Mains 2025 Session 1 exam dates for Paper 1 and Paper 2. The ...