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 ...

How do we calculate mass and atomic numbers? VideoHow do we calculate mass and atomic numbers? This video is an interactive lesson in calculating an atom's mass and atomic number.

A python package for accessing various properties of elements, ions and isotopes in the periodic table of elements.

118 Elements and Their Symbols and Atomic Numbers: The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are building blocks of matter ...

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

They are among the oldest creatures on the planet, predating dinosaurs and trees and surviving multiple mass extinctions.

It’s an odd piece of kit, this stereo receiver sitting on a side table in our dining room. While most might regard it as some ...

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

Institute of Automation and Electrometry of the SB RAS, 1 Acad. Koptyug Ave., 630090 Novosibirsk, Russia ...

It is, in fact, believed by some — and allegedly has been confirmed by some military historians — that Humpty Dumpty was the ...